p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf ·...

170
2056-2 Advanced School and Workshop on p-adic Analysis and Applications Alexei PANCHISHKIN 31 August - 18 September, 2009 Institut Fourier Universite' Grenoble-1 B.P. 74, 38402 St. Martin d'Heres FRANCE p-adic L-functions and modular forms

Transcript of p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf ·...

Page 1: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

2056-2

Advanced School and Workshop on p-adic Analysis and Applications

Alexei PANCHISHKIN

31 August - 18 September, 2009

Institut FourierUniversite' Grenoble-1

B.P. 74, 38402 St. Martin d'HeresFRANCE

p-adic L-functions and modular forms

Page 2: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$% &!'()%*$+), ")# -+#(."/ '+/-,

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5$7$&# 89#) #( /!3#!0!% 9:#); <==: >?%-!&#! 4 *?5 @A

*",-"./"01 2334

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB C D EF

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!"#$%&#

! "#$%&'($)(* +$, -+,.) $'/0(&*1 2($*(34* 3(//+1 56( 5+7( 8(3,

9! "#$7.$'#'* +$, -+,.) +$+3:7.) ;'$)7.#$*1 <+63(&4* )&.7(&.#$1 =(>7#$ ?#3:%#$*

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D! <#,'3+& ;#&/* +$, !-;'$)7.#$*1

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!"#$!% $&'()* +,&- %(*).**(&/*0 /&$ (/)".%!% (/ $1! $!2$ &,

$1!*! 3#$!-(#"*4

! "#$%& '((&)'*$%+ ), *)-+#&.*#/-0 (1'2/* 31,.-*#/)-+ !

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3!- 2,3 ! "#8+8'"#$%& #86 ):*+& 9*8*&#,+$#)+283; <%,*& 3!3)*-3. =2&> 2?

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F042,,#B>. G0H)*E*83. 50@#&-28. 000I

4! 5%6'#/)-+ #) #$% 78'+'8' 9$%)&:

;! <((6/*'#/)-+ ), 1'2/* !1,.-*#/)-+ #) =/)($'-#/-% 0%)>%#&:

?! "(%- @.%+#/)-+ '-2 (&)A6%>+ /- #$% #$%)&: ), 1'2/* !1,.-*#/)-+

7D#3+B 32%&B*3J 12#)*3 KL): D+&):6#! M2,%-*. D2%& #>+ )#,>3 ! 4012,-*$.

/012#)*3 000I

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!"#$%!

◦&' ()*+" ,$-.!%/ ),* "0,1%$!,"!/

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,4)+&4 640.!/ 45 % 6!",. $+,-.! 7

89%,6&.7 = :7 ;4&1. 2<. *4$#!+.$*. !

≡ = ,4) : 7"#$%&'#() >5 ( = ?@ 6+2 !

!

= ±A 2<.$ !

!

≡ = ,4) :7

>5 ( = =@ 6+2 !

"

= !

!

+ :&"

, !!

= A 2<.$ (!!

+ :&"

) ≡ = ,4) :

#"1./B

C+ D · :&"

+ : & "

≡ = ,4) :

⇒ C+ D&"

≡ E ,4) :⇒ &

"

= ?

⇒ !

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+ : &

, !"

= ?E 2<.$ (?E+ : &

) ≡ = ,4) :

#

#"1./B

?EE+ =E · : &

+ :$&

≡ = ,4) :

# ⇒ &

≡ −=/=E ,4) :⇒ &

≡ = ,4) :

⇒ !

= A+ : · ?+ = · : = ?EF.>$ 2<"/ 0%' 0. 4-2%"$ % /.G+.$*. !

!

, !"

, !

, . . . @ /4 2<%2 !

≡ !

+"

,4)

7

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.9%,6&.B√= = ?.I?I=?AJD=A:AECJEIFFE?DFF:=I · · ·

= ?+ I · ?E−" + ? · ?E− + I · ?E−# + = · ?E−$ + · · ·

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!"#$ %&'()*+ !+ ! $,'-.)/#,% ,0 *!/#,%!.+

!" #$"% &' "()"*$#*+ )!" ,"-$ Q %.."%/0 #* %-+"1/%#2 *341"/ )!"&/5 #*

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"6"/5 >%32!5 0"<3"*2" {α

}∞ =

#* R !%0 % -#4#) α ?% 0"<3"*2" #0 2%--"$

>%32!5 #' '&/ %*5 ε > @ A" !%6" |α

− α!

| < ε A!"*"6"/ %*$ ! %/"

+/"%)"/ )!%* 0&4" -%/+" " = "(ε)B8 C-0&: "6"/5 "-"4"*) &' R #0 )!" -#4#)

&' 0&4" >%32!5 0"<3"*2" {α

}∞ =

A#)! α

∈ Q8

C* %*%-&+&30 2&*0)/32)#&* "(#0)0 30#*+ )!" #D%$#2 %10&-3)" 6%-3" | · |"

&' Q=

| · |"

: Q → R≥! = {$ ∈ R |$ ≥ @}|%/&|

"

= #

!"

#− !"

$, |@|"

= @,

A!"/" !"

"

% #0 )!" !#+!"0) .&A"/ &' # $#6#$#*+ )!" #*)"+"/ %8

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!"# $%&%'() *+&#,'-*,"+& +. /(01+"&"&$ ,!% )"2",# +. 3(-*!4 #%5-%&*%#6 ,+

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#-97%)0 8",! '%#;%*, ,+ ,!% %>,%&0%0 (9#+)-,% :()-% | · |= ?@ABCD= ?E+9BFD<G# 8(# &+,%0 (, ,!% %&0 +. HI= ()) (9#+)-,% :()-%# +. Q ('% %5-":()%&,

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Q → Q

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?@ABCD= 3!<O< ,!% %5-(,"+&

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, 1!

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) = F, MI<ON

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, 1!

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) =∑

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R (&0 +:%' ()) Q

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!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB C D EC

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!" #$%&'"#( )*+ (, -"./" (!" 0*-$1 /2%3"4# $# (, 1,/#$-"4 "5&4"##$,/# ,6

(!" (+&"

α = !

+ !

+

+ + . . . , 7898:

)!"4" !

!

∈ {;, <, . . . . − <} *4" -$=$(# (, (!" 3*#" > */- " ∈ Z9 ?( $#

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α =

· · · ! +

!

− !"#$

︷ ︸︸ ︷

;;; . . . ;("), $6 " ≥ ;,

· · · !

!

!

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#

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/*(24*' /2%3"4# */- !"/1" *'' 4*($,/*' /2%3"4#9 D,4 "5*%&'">

−< = − <<−

= ( − <)+ ( − <) +( − <) "+ · · · = · · · ( − <)( − <)(");

−!!

− < = !

!

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!

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!

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!

!

!

!(").

D,4 # ∈ N (!" "5&4"##$,/ 6,4 −# = # · (−<) ,6 (+&" 7898: $# ,3(*$/"- $6 )"%2'($&'+ (!" *3,@" "5&4"##$,/# 6,4 # */- 6,4 −<9 E"/"4*''+> 6,4 α ∈ Q )4$("

$

$

%

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!"/ 3+ */ "'"%"/(*4+ (!",4"% ,6 F2'"4>

%

< %'> ' 9 G"/1"

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!" #$%&'(#) *+ = ,)

-

.

= /− ,

.

= /+, · //0/1− ,

! = / " = ,, # = .,

2! 34%3

//0/ = 0/51/(!) = 0 · ," + / · ,# + 5 · ,$ + 1 · ,+ /,

3462

-

.

= · · ·︷ ︸︸ ︷

0/51/7

︷ ︸︸ ︷

0/51/70/51//(!).

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&#3"*; | · |

;%< @# *?#<3*A#? =*34 34# ?#2;"*@#? A#(? !+ >%?*; #$'%<2*!<2

B/C/D) =4#"# |α|

=

!

+!" α %2 *< B/C/D =*34 "

!

6= 7 B2## E!@(*3F GC

B1-H7DDC

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB C D EF

Page 10: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "# $%&"'%# !' $'()*&+ !,+ +-)*.#"'.# /0102 ".3."!+ !' !,+ 4+5! 6"!, !,+

'&7".*&8 +-)*.#"'.# '5 &+*4 .%(9+&# α ∈ R: ".3."!+ !' !,+ &";,!<

α =

− · · · !. − · · · =

=>

+

− =>

− + · · · !

+ − =>

− + · · · ,

6,+&+

!

∈ {>, =, · · · , ?} *&+ 7";"!#:

6= >1 @,+#+ +-)*.#"'.# !' *.8

.*!%&*4 9*#+ 4+*7 !' !,+ #*(+ 3+47 R1 A4#': * ;"B+. α $*. )'##+## B*&"'%#

+-)&+##"'.# '5 !,"# !8)+: +1;1 0.>>> · · · = =.??? · · · 1 C'6+B+&: ". !,+ !D*7"$

$*#+ !,+ +-)&+##"'.# /0102 *&+ %."E%+48 7+!+&(".+7 98 α1 @,"# 5*$! )&'B"7+#

*77"!"'.*4 $'(5'&! 6,+. $*4$%4*!".; 6"!, !D*7"$ .%(9+&#1

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB B C DE

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!"#$%&%'!( )'%* +,-./0+ 1233 4555 678

! " #$%!%&'()!*+,-.-,!%&/0)1!*1!,1,11234*123456)!78999

!*+,234*- 5 + 5 +7+ 5 +7. 5 +7: 5 6)+789

!*.,234*.7+ 5 .7. 5 +;.7: 5 6).789

!*:,234*+ 5 +;: 5 :7+ 5 <;:7. 5 +;:7< 5 .;:7: 5 6):789

!*4,234*+;47=- 5 - 5 6)4789

!*--,234*8 5 2;-- 5 4;--7+ 5 <;--7. 5 2;--7< 5 4;--7: 5 6)--789

!*-.,234*: 5 2;-. 5 .;-.7+ 5 2;-.7. 5 .;-.7< 5 2;-.7: 5 6)-.789

!*-4,234*-- 5 -<;-4 5 <;-47+ 5 4;-47. 5 +;-47< 5 -+;-47: 5 6)-4789

!*-2,234*< 5 >;-2 5 :;-27+ 5 -8;-27. 5 -?;-27< 5 -.;-27: 5 6)-2789

!*+.,234*+- 5 2;+. 5 -8;+.7+ 5 -2;+.7. 5 2;+.7< 5 -8;+.7: 5 6)+.789

!*+2,234*++ 5 +?;+2 5 +?;+27+ 5 +?;+27. 5 +?;+27< 5 +?;+27: 5 6)+2789

!*.-,234*-2 5 +8;.- 5 >;.-7+ 5 -.;.-7. 5 <;.-7< 5 ++;.-7: 5 6).-789

!*.4,234*.. 5 -:;.4 5 +8;.47+ 5 .-;.47. 5 -:;.47< 5 +8;.47: 5 6).4789

!*<-,234*-. 5 +2;<- 5 --;<-7+ 5 +2;<-7. 5 --;<-7< 5 +2;<-7: 5 6)<-789

!*<.,234*.+ 5 .?;<. 5 .?;<.7+ 5 .?;<.7. 5 .?;<.7< 5 .?;<.7: 5 6)<.789

!*<4,234*> 5 +?;<4 5 -.;<47+ 5 <?;<47. 5 +8;<47< 5 ..;<47: 5 6)<4789

!*:.,234*+< 5 <:;:. 5 .4;:.7+ 5 ++;:.7. 5 <:;:.7< 5 .4;:.7: 5 6):.789

!*:2,234*.: 5 :?;:2 5 -8;:27+ 5 +:;:27. 5 >;:27< 5 <+;:27: 5 6):2789

!*8-,234*-? 5 +8;8- 5 -4;8-7+ 5 :+;8-7. 5 .<;8-7< 5 <.;8-7: 5 6)8-789

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!*4.,234*<. 5 8+;4. 5 +?;4.7+ 5 .-;4.7. 5 -?;4.7< 5 :+;4.7: 5 6)4.789

!*42,234*82 5 ..;42 5 :8;427+ 5 84;427. 5 ..;427< 5 :8;427: 5 6)42789

!*>.,234*+: 5 :2;>. 5 +.;>.7+ 5 :2;>.7. 5 +.;>.7< 5 :2;>.7: 5 6)>.789

!*>2,234*-< 5 .>;>2 5 +:;>27+ 5 48;>27. 5 :?;>27< 5 8.;>27: 5 6)>2789

!*24,234*+2 5 82;24 5 +4;247+ 5 82;247. 5 +4;247< 5 82;247: 5 6)24789

!*-?-,234*:2 5 >8;-?- 5 +>;-?-7+ 5 <.;-?-7. 5 -<;-?-7< 5 4+;-?-7: 5 6)-?-789

!*-?.,234*-8 5 <<;-?. 5 +2;-?.7+ 5 >>;-?.7. 5 :>;-?.7< 5 4.;-?.7: 5 6)-?.789

!*-?4,234*2. 5 <:;-?4 5 48;-?47+ 5 2-;-?47. 5 <:;-?47< 5 48;-?47: 5 6)-?4789

!*-?2,234*<> 5 2.;-?2 5 44;-?27+ 5 <8;-?27. 5 2.;-?27< 5 44;-?27: 5 6)-?2789

!*--.,234*>+ 5 >?;--. 5 >?;--.7+ 5 >?;--.7. 5 >?;--.7< 5 >?;--.7: 5 6)--.789

!*-+4,234*2+ 5 2?;-+4 5 2?;-+47+ 5 2?;-+47. 5 2?;-+47< 5 2?;-+47: 5 6)-+4789

!*-.-,234*+? 5 :8;-.- 5 .4;-.-7+ 5 --+;-.-7. 5 4<;-.-7< 5 2.;-.-7: 5 6)-.-789

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CA D EF

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!"!#!$% !& '()*+ ,-./012

!" #"$% Q

&' ( !"#$%&% "%&'( )#* % )&*! *!" *+,+$+-. -"/"0(*"% 1. *!"

2+,"/ %&'3'45

+

!

(') = {, | |, − *| < '} (, , * ∈ Q

, ' > 6)

7+0 23$+'"% %&'3'4 -

!

(') = {, | |, − *| ≤ '}89 :0+; *!" *+,+$+-&3($ ,+&/* +<

=&")> *!" '"*' +

!

(') (/% -

!

(') (0" 1+*! +,"/ (/% 3$+'"% &/ Q

9

?/ &;,+0*(/* *+,+$+-&3($ ,0+,"0*. +< Q

&' &*' $! *$ !"#* &.%))5 ($$ %&'3' +<

#/&*" 0(%&@' (0" 3+;,(3*9 !" "('&"'* )(. *+ '!+) *!&' &' *+ 3+/'&%"0 (/.

'"A@"/3" {α"

}∞"=

+< "$";"/*' α"

∈ -

!

(') (/% *+ 3+/'*0@3* ( $&;&* ,+&/*9 B@3! (,+&/* ;(. 1" <+@/% '*",C1.C'*", @'&/- *!" #/*0( 0(1(&) 7D9D89 E/" F/+)' *!(*

*!" /@;1"0 +< %&-&*' 2(<*"0 *!" ,+&/*4 &' 1+@/%"% +/ (/. #/&*" %&'39 G/ ,(0*&3@$(0>

*!" %&'3

Z

= -

!

(H) = {, | |, |

≤ H} ={, = *

!

+ *

# + *

"

#

" + · · ·}

&' ( 3+;,(3* *+,+$+-&3($ 0&/-> )!+'" "$";"/*' (0" 3($$"% #C(%&3 &/*"-"0'9 Z

&'

*!" 3$+'@0" +< Z &/ Q

9 !" 0&/- Z

&' $+3($> &9"9 &* !(' +/$. +/" ;(I&;($ &%"($

#Z

= +

!

(H) )&*! 0"'&%@" #"$% Z

/#Z

= F

9 !" '"* +< &/="0*&1$" "$";"/*'

7@/&*'8 +< Z

&'

= Z

\#Z

= {, | |, |

= H} ={, = *

!

+ *

# + *

"

#

" + · · · | *!

6= 6

}.

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CC D EF

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!!"#$%&#'() '* +%,#$ -./012) &' 3'"4#(5 6'(52.1($1)7

!" #$%& '(("'$')*"% +, -'./* )012"$%3 /) ('("$% 24 5")%"63 7"$" $"6'&".

&+ &!" ($+26"1 +, #)./)8 %+60&/+)% &+ *+)8$0")*"% 1+.06+

9 :)

'((6/*'&/+) +, &!/% 1"&!+. 24 !/% %&0.")& 595'%%" &+ &!" &!"+$4 +,

;0'.$'&/* ,+$1% !'% 6"'. &+ ') "6"8')& $",+$106'&/+) +, &!/% &!"+$43 7/&!+0&

&!" 0%" +, *+)%/."$'&/+)% +<"$ &!" $"%/.0" $/)8% Z/ Z9 !"%"*+)%/."$'&/+)% '$" &/$/)8 2"*'0%" +, &!" ="$+-./</%+$% /) Z/ Z9 >$+1 &!"

'2+<" ($"%")&'&/+) +, Z!

'% &!" ($+?"*&/<" 6/1/&

6/1

←−

Z/ Z

/& ,+66+7% &!'& ,+$ ! ("

, . . . , "

) ∈ Z!

["

, . . . , "

]3 &!" *+)8$0")*"%

! ("

, . . . , "

) ≡ @(1+.

)

'$" %+6<'26" ,+$ '66 # ≥ A /B &!" ";0'&/+)

! ("

, . . . , "

) = @

/% %+6<'26" /) -'./* /)&"8"$%9 C+60&/+)% /) Z!

*') 2" +2&'/)". 0%/)8 &!"

,+66+7/)8 -'./* <"$%/+) +, &!" $%&'()# * +, -.)# ,/0)12(-349

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB C@ D EF

Page 14: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$"% &'"()"*+) ,"%%-.

!" # ($) ∈ Z

[$ ] %! & '()*+(,-&) -+ (+! .&/-&%)! $0 #

′($) ∈ Z

[$ ] -"1#(/,&) 2!/-.&"-.!0 &+2 13''(1! "4&" #(/ 1(,! α

∈ Z

"4! -+-"-&) 5(+2-"-(+

|# (α

)/# ′(α

)!|

< !"#$%

-1 1&"-16!27

84!+ "4!/! !$-1"1 & 3+-93! α ∈ Z

1354 "4&"

# (α) = &, |α− α

| < .

'( )*+,( -./0 12 /3456-/+3 50/37 -.( 0(85(36( +9 :0566(00/,(

;))*+</=;-/+30>?

α!

= α!−" −

# (α!−")

#

′(α!−")

.

@;A/37 /3-+ ;66+53- -.( 9+*=;B @;2B+* (<);30/+3 +9 # ($) ;- $ = α!−" +3(

0.+C0 -.;- -./0 0(85(36( /0 D;56.2E ;34 /-0 B/=/- α .;0 ;BB -.( 4(0/*(4

)*+)(*-/(0 !69# FGHIJKE FH(**(L&K%#

M+* (<;=)B(E /9 # ($) = $

−" − E -.(3 ;32 α

∈ { , ", . . . , ' − } 0;-/0N(0

-.( 6+34/-/+3 |# (α

)|

< O- -.( 0;=( -/=(

#

′(α

) = (' − )α −!

6≡ & =+4 'E .(36( -.( /3/-/;B 6+34/-/+3 !"#$% /0

0;-/0N(4# @.( *++- α 6+/36/4(0 -.(3 C/-. -.( 53/85(B2 4(N3(4 @(/6.=PBB(*

*()*(0(3-;-/,( +9 α

? α = ω(α

)# !"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E FG

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!"#$%!

◦&' !"#$"%!%& '"( '"')*#$+ ,%"+#$!"& !-./ ' "!"01/+2$3.(.'" 4.)(

!" #! $ %&'(!) (*#+!&) ', "-! .$"! +!&) C

/ 0'1 $ (*#(!" ! ⊂ 2!

%'3(4)!1 %'3"43*'*( ,*3%"4'3( " :! → C

/ .-! ("$3)$1) !5$67&!( ',

%'3"43*'*( ,*3%"4'3( $1! 71'84)!) #9 7'&93'64$&(: #9 1$"4'3$& ,*3%"4'3( ;$"

7'43"( 2-!1! "-!9 $1! +34"!<: $3) $&(' #9 &'%$&&9 %'3("$3" ,*3%"4'3(/ =, ! 4(

%'67$%" "-!3 ,'1 $39 %'3"43*'*( ,*3%"4'3 " :! → C

$3) ,'1 $39 ε > >

"-!1! !54("( $ 7'&93'64$& #($) ∈ C

[$ ] (*%- "-$" |" ($)− #($)|

< ε ,'1 $&&

$ ∈! / =, " (! ) ⊂ % ,'1 $ %&'(!) (*#+!&) % ', C

"-!3 #($) %$3 #! %-'(!3

(' "-$" #($) ∈ %[$ ] ;(!! ?@'#A>B: ?C$(-ADB</

=3"!1!("43E !5$67&!( ', %'3"43*'*( &F$)4% ,*3%"4'3( $1! 71'84)!) #9

43"!17'&$"4'3 ', ,*3%"4'3(: )!+3!) '3 %!1"$43 (*#(!"(: (*%- $( ! = Z '1 N

24"- = Q

/ !" " #! $39 ,*3%"4'3 '3 3'3F3!E$"48! 43"!E!1( 24"- 8$&*!( 43

Q

'1 43 ('6! ;%'67&!"!< Q

FG$3$%- (7$%!/ =3 '1)!1 "' !5"!3) " ($) "' $&&

$ ∈ Z

2! %$3 *(! "-! 43"!17'&$"4'3 7'&93'64$&(

($

'

)

=$($ − H) · · · ($ − ' + H)

'!.

.-!3 2! -$8! "-$"

(!

"

)4( $ 7'&93'64$& ', )!E1!! ' ', $ : 2-4%- ,'1 $ ∈ Z:

$ ≥ > E48!( "-! #43'64$& %'!I%4!3"/ =, $ ∈ Z

"-!3 $ 4( %&'(! ;43 "-! &F$)4%

"'7'&'E9< "' $ 7'(4"48! 43"!E!1: -!3%! "-! 8$&*! ',

(!

"

)4( $&(' %&'(! "' $3

43"!E!1: "-!1!,'1!

(!

"

)∈ Z

/

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E FG

Page 19: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$%&' (%)*$%)+,

!" #$%&&'#%$ (%!$")*& '+,")-.$%,'.+ ,!".)"/ &%0& ,!%, %+0 #.+,'+1.1&

21+#,'.+ : Z

→ Q

!" #$ %&'(($" '" ()$ *+&, -.$$ /0'1234 /5!.)67389

(!) =∞∑

!=

"

!

(!

#

)

, -:;<8

%'() "

!

→ = -$>!?' !@@A8 *+& # →∞; B+& ! *C" ('+" (!) ?$D"$? *+& ! ∈ Z4

! ≥ = +"$ !" %&'($ *+&,!@@A

(!) =

∞∑

!=

"

!

(!

#

)

,

%)$&$ ()$ +$E '$"(. !" #$ *+C"?$? *&+, ()$ .A.($, +* @'"$!& $FC!('+".

(#) =!∑

"=

"

"

(#

%

)

,

()!( '.

"

"

="∑

#=

(−2)"−#(

%

&

)

(&).

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E DF

Page 20: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!" #"$%"# &'$ (!) %# ()*(+# $",-.", /' ( 01%/" #-2 &'$ "(.! ! ∈ Z3 ! ≥ 45

6& "

→ 4 /!"1 /!%# #"$%"# %# .'17"$8"1/ &'$ ()) ! ∈ Z!

5 9# *(# 1'/%.",

(:'7"3 /!" %17"$#" #/(/"2"1/ %# ()#' 7()%, ;<#"$%&'() *'+,&'+-.=>5 6&

.'17"$8"1." '& "

/' ?"$' %# #' &(#/ /!(/ /!" #"$%"# ,"01%18 /!" .'"@.%"1/#

'& /!" !A"BC(1#%'1 '& (!) ()#' .'17"$8"3 /!"1 (!) .(1 :" "B/"1,", /' (1"."%/,+* 0.*,+-.5 D1&'$/-1(/")+3 &'$ (1 ($:%/$($+ #"E-"1." "

*%/! "

→ 4

/!" (//"2C/ /' -#" ;F5G> &'$ .'1/%1-(/%'1 '& (!) '-/ '& /!" #-:#"/ Z!

%1

C!

2(+ &(%)5 H'*"7"$3 %1 /!" #"E-") *" 2'#/)+ .'1#%,"$ (1)+/%. &-1./%'1#3

/!(/ ($" ,"01", (# #-2# '& C'*"$ #"$%"#5

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E FD

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!"#$!%&#!'(" )(* +,)"&$,"-

!" #$ %&'$()!* + %&,,#"+"(-! +$$&%(+"(-! *('. / +' 0,&)#1! A +') +

2*&3'("! 4(5!5 %&,2+%" +') "&"+116 )($%&''!%"!)7 "&2&1&.(%+1 $2+%! ! 5 89!'

! ($ + 2*&:!%"(-! 1(,(" &; 3'("! $!"$<

! = 1(,

←−

!

!

=9!*! " ($ + 42+*"(+116 &*)!*!)7 (')#%"(-! $!" +') ;&* # ≥ $ / # / $ ∈ " "9!*! +*!$#*:!%"(-! 9&,&,&*29($,$ π

! ," : !!

→ !

"

=("9 "9! %&')("(&'

π! ," ◦ π

" ,# = π! ,# ;&* # ≥ $ ≥ % 5 89! (')#%"(-("6 &; " ,!+'$ "9+" ;&* +'6

# , $ ∈ " "9!*! !>($"$ % ∈ " =("9 "9! %&')("(&' % ≥ # / % ≥ $ 5 ?6 "9! #'(-!*$+1

2*&2!*"6 =! 9+-! "9+" ;&* !+%9 # ∈ " + #'(@#! ,+2 π!

: ! → !

!

($ )!3'!)/

=9(%9 $+"($3!$ "9! 2*&2!*"6 π! ," ◦ π

!

= π"

4;&* !+%9 # , $ ∈ " 75

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E FG

Page 42: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!" !"#( ,!) #! "$! !%&'()*! +',-.-".,/ '0 1** !%21*)!( *'+1**3 +',-"1,"

0),+".',- φ : → !4

!"#$%$&#

5 (.-"6.#)".', ', 7."$ 21*)!- ., 1 !%&'()*! A .- 1 !%*.,!16 $'&'&'68$.-&

µ : !"#( ,!) −→ A.

9'6 ϕ ∈ !"#( ,!) 7! )-! "$! ,'"1".',-

µ(ϕ) =

ϕ$µ =

ϕ(")$µ(").

:1+$ (.-"6.#)".', µ +1, #! (!;,!( #3 1 -3-"!& '0 0),+".',- µ(!) : !

→ A<

-1".-03.,/ "$! 0'**'7.,/ ;,."!%1((.".2."3 +',(.".',

µ(")(") =∑

#∈π− ,!

($)

µ(!)(#) (" ∈ "

, # ∈ !

). =>4?@

A, '6(!6 "' +',-"6)+" -)+$ 1 -3-"!& ." -)B+!- "' 8)"

µ(!)(#) = µ(δ! ,#) ∈ A (# ∈

!

),

7$!6! δ! ,# .- "$! +$161+"!6.".+ 0),+".', '0 "$! .,2!6-! .&1/! π−

!

(#) ⊂ 7."$

6!-8!+" "' "$! ,1")61* 86'C!+".', →

!

4 9'6 1, 16#."6163 0),+".',

ϕ"

: "

→ ! 1,( $ ≥ % 7! (!;,! "$! 0),+".',-

ϕ!

= ϕ"

◦ π! ," , ϕ = ϕ

"

◦ π"

, ϕ ∈ !"#( ,!), ϕ!

: !

π ,!−→

"

−→ !.

!"#$#% &!'()*+),*' -./#012"#3 4567%8 95:;08<%10= 607 >17;"6/ :1/>= *(?&@ +#4<#>2#/@ABBC D E FG

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!"#$%#&%#' !(&'%(&"# ") '*% )+!' '*+' + ,-,'%. ") )/#!'&"#, µ( ) :

→ A

,+'&,0%, '*% 0#&'% +11&'&$&'- !"#1&'&"# 23456 2+#1 *%#!% &, +,,"!&+'%1 '"

,".% 1&,'(&7/'&"#6 &, 8&$%# 7- '*% )"99":&#8 !"#1&'&"# 2!"#$%&'(')'&*

!+'&,+'"-6; )"( +99 . ∈ / < +#1 ϕ!

: !

→ 0 '*% $+9/% ") '*% ,/.,

µ(ϕ) = µ( )(ϕ

) =∑

"∈#

ϕ

(*)µ( )(*), 234=6

&, &#1%>%#1%#' ") ' )"( +99 9+(8% %#"/8* ' ≥ . 4 ?*%# /,&#8 234=6< &' ,/@!%,

'" $%(&)- '*% !"#1&'&"# 234=6 )"( ,".% A7+,&!B ,-,'%. ") )/#!'&"#,4 C"(

%D+.>9%< &)

= 1 = 9&.

←−

1

&, + >("0#&'% +7%9&+# 8("/>< +#1 0 &, + 1".+&# !"#'+&#&#8 +99 (""', ") /#&'-

") '*% "(1%( 1&$&1&#8 '*% "(1%( ") 2:*&!* &, + A,/>%(#+'/(+9 #/.7%(B6

'*%# &' ,/@!%, '" !*%!E '*% !"#1&'&"# 234=6 )"( +99 !*+(+!'%(, ") 0#&'% "(1%(

χ : 1 → 0< ,&#!% '*%&( 0 ⊗Q F9&#%+( ,>+# !"&#!&1%, :&'* '*% :*"9% (&#8

!"#( ,0 ⊗Q) 7- '*% "('*"8"#+9&'- >(">%('&%, )"( !*+(+!'%(, ") + 0#&'%8("/> 2,%% GH+'I< GJKLM3I64

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CB D EF

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!"#$%&' (&)*+,%%- .-/0)-1,0-+*/

!" #! $ %&'("()! (*"!+!,- ! : Z → C (' $ %!,(&.(/ 01*/"(&* 2("3 "3!

%!,(&. 4(5!5 ! (" + ) = ! (")- ! : Z/ Z → C65 73! +!*!,$8(9!.

:!,*&188( *1;#!, 4'!! <:=>?@ 6 #

,! (' .!A*!. $' $! "(;!' "3! /&!B/(!*"#C %

(* "3! !D%$*'(&* (* % &0 "3! 0&88&2(*+ ,$"(&*$8 E1&"(!*"

"− ∑

#=!

! (&)%'#$

'

"$ − F

,

"3$" ('-

∞∑

=!

#

,!

$!%

=

"− ∑

#=!

! (&)%'#$

'

"$ − F

. 4G5H6

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB @A C DE

Page 45: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!" #$% &' (!)'*+$, %-$ .,!/)*%$ ,*)0

= Z

= #*1

←−

!

(Z/!Z)

("(!) ⊂ ")2 %-$ .,!3$(%*4$ #*1*% 5$*)0 %67$) !4$, %-$ '$% !8 6## .!'*%*4$*)%$0$,' ! "*%- '&..!,% "(!) *) 6 /9$+ /)*%$ '$% " !8 .,*1$ )&15$,':;-$) %-$ .$,*!+*( 8&)(%*!) # : Z/!Z → C "*%- "(!) ⊂ " 16< 5$ 4*$"$+

6' 6) $#$1$)% !8 !"#( , C): =$ (#6*1 %-6% %-$,$ $9*'%' 6 +*'%,*5&%*!)

$

"

: !"#( , C)→ C "-*(- *' &)*>&$#< +$%$,1*)$+ 5< %-$ (!)+*%*!)

$

"

(# ) = %

",# 8!, 6## # ∈ !"#( , C). ?@:AB

C) !,+$, %! .,!4$ %-$ $9*'%$)($ !8 %-*' +*'%,*5&%*!) "$ &'$ %-$ 65!4$

(,*%$,*!) ?@:DB 6)+ (-$(7 %-6% 8!, $4$,< # ∈ !"#( , C) %-$ ,*0-% -6)+ '*+$*) ?@:AB ?*:$: %

",# B +!$' )!% +$.$)+ !) %-$ (-!*($ !8 6 .$,*!+ ! !8 %-$

8&)(%*!) # : C% 8!##!"' +*,$(%#< 8,!1 %-$ +$/)*%*!) ?@:EBF -!"$4$, "$ 0*4$

-$,$ 6 +*G$,$)% .,!!8 "-*(- *' 56'$+ !) 6) *)%$,.,$%6%*!) !8 %-$ )&15$,'

%

",# 6' ($,%6*) '.$(*6# 46#&$' !8 &H8&)(%*!)':

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB @C D EF

Page 46: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!" # $%&'()!& : Z/!Z → C *+(

"(#, ) =

∞∑

=

($)$−!

,+ (-+ '!""+./!&0)&1 "2.+")+. 3-)'- ). #,.!*%(+*4 '!&5+"1+&( $!" #** # 3)(-

!(#) > 6 #&0 #07)(. #& #&#*4()' '!&()&%#()!& !5+" #** # ∈ C8 !" (-). .+")+.

3+ -#5+ (-#(

"(6− % , ) = −&

",#

%

. 9:8;<

!" +=#7/*+> )$ ≡ 6 ). (-+ '!&.(#&( $%&'()!& 3)(- (-+ /+")!0 ! = 6 (-+& 3+

-#5+ (-#(

ζ(6− %) = −&

"

%

,

∞∑

"=!

&

"

%!'

" ='

(

$ − 6

,

&

"

,+)&1 (-+ ?+"&!%**) &%7,+"8 @-+ $!"7%*# 9:8;< ). +.(#,*).-+0 ,4 7+#&.

!$ (-+ '!&(!%" )&(+1"#* 0).'!5+"+0 ,4 A)+7#&&8 $!"7%*# #//#"+&(*4 )7/*)+.

(-+ 0+.)"+0 )&0+/+&0+&'+ !$ &

",# !& (-+ '-!)'+ !$ !8 B+ &!(+ #*.! (-#( )$

) ⊂ C ). #& #",)("#"4 .%,C+*0> #&0 (* ) ⊂ ) (-+& 3+ -#5+ $"!7 (-+

$!"7%*# 9:8D< (-#( &

",# ∈ ) -+&'+ (-+ 0).("),%()!& +

"

). # ) 25#*%+0

0).("),%()!& !& * 8

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB @@ C DE

Page 47: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$%!#

!" #! $ "%&%'%()*$' +),(- $,. C(! , ) #! "/! "%&%'%()*$' 0%.1'! %2 $'' 34$'1!. 21,*")%,5 %, $ &+%6,)"! 5!" ! 7

!"#$%$&#

8 0!$51+! %, ! 9)"/ 4$'1!5 ), "/! "%&%'%()*$' 30%.1'! A )5 $ *%,"),1%15

/%0%0%+&/)50 %2 30%.1'!5

µ : C(! , ) −→ A.

:/! +!5"+)*")%, %2 µ "% "/! 351#0%.1'! !"#(! , ) ⊂ C(! , ) .!6,!5 $.)5"+)#1")%, 9/)*/ 9! .!,%"! #; "/! 5$0! '!""!+ µ- $,. "/! 0!$51+! µ )5

1,)<1!'; .!"!+0),!. #; "/! *%++!5&%,.),( .)5"+)#1")%, 5),*! "/! 351#0%.1'!

!"#(! , ) )5 .!,5! ), C(! , )7 :/! '$5" 5"$"!0!," !=&+!55!5 "/! 9!'' >,%9,2$*" $#%1" "/! 1,)2%+0 *%,"),1)"; %2 $ *%,"),1%15 21,*")%, %4!+ $ *%0&$*"

"%&%'%()*$' 5&$*!7

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB @C D EF

Page 48: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!" "# $!%&'(#) *%+ $,!&#( &-.)'%/ !0 12# 3*1# 4#,( C

5 ⊂ C

5 *%( ,#1

A .# * $!67,#1# 86!(-,# "'12 1!7!,!/+ /'9#% .+ * %!)6 | · |A !% A

$!67*1'.,# "'12 12# %!)6 | · |

!% C

&! 12*1 12# 0!,,!"'%/ $!%('1'!%& *)#

&*1'&4#:

• 0!) ! ∈ A 12# #;-*,'1+ |! |A = < '& #;-'9*,#%1 1! ! = <5

• 0!) " ∈ 5 ! ∈ A: |"! |A = |"|

|! |A5• 0!) *,, ! , # ∈ A: |! + # |A < 6*=(|! |A, |# |A)>32#% 12# 0*$1 12*1 * ('&1)'.-1'!% ?* &+&1#6 !0 0-%$1'!%& µ(!) : $

!

→ A@ /'9#&

)'&# 1! * A89*,-#( 6#*&-)# !% $ '& #;-'9*,#%1 1! 12# $!%('1'!% 12*1 12#

&+&1#6 µ(!)'& .!-%(#(5 '>#> 0!) &!6# $!%&1*%1 % > < *%( 0!) *,, & ∈ ' 5 ! ∈ $

!

12# 0!,,!"'%/ -%'0!)6 #&1'6*1# 2!,(&:

|µ(!)(!)|A < % . ?A>B<@

32'& $)'1#)'!% '& *% #*&+ $!%&#;-#%$# !0 12# %!%8C)$2'6#(#*% 7)!7#)1+

|! + # |A ≤ 6*=(|! |A, |# |A)

!0 12# %!)6 | · |A ?&## DE*FGH5 DI'FJH@> K% 7*)1'$-,*) '0

A = = O

= {! ∈ C

| |! |

≤ B} '& 12# &-.)'%/ !0 '%1#/#)& '% 12#3*1# 4#,( C

12#% 12# &#1 !0 O

89*,-#( ('&1)'.-1'!%& !% $ $!'%$'(#& "'12

O

89*,-#( 6#*&-)#& ?'% 0*$15 .!12 &#1& *)# 8*,/#.)*& "'12 6-,1'7,'$*1'!%

(#4%#( .+ $!%9!,-1'!%>

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB @C D EF

Page 49: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$%!

◦&' !" #$%&'#(& )*++"' (,-.'*"-("% #-/ &!" 0#/1( 2"331-

&'#-%4,'+

5 *%"4*3 ('1&"'1,- 4,' &!" "61%&"-(" ,4 # +"#%*'" 71&! .18"- 9',9"'&1"% 1%:

!"#"$%&%"' ()*+ ,-$&!,.& /011+! ."'2!0+'.+$3

!"## $%&'()* +#' {,

} -# & "."'#/ 0, 102'32404" ,421'302" ,

∈ C(5 ,O!

) 32'6# 7328 C(5 ,O

!

) 0, &99 102'32404" ,421'302" 02 '6# 10/ &1' '0'&99.

:3"1022#1'#: 8704 5 ;3'6 <&94#" 32 '6# 7328 0, 32'#8#7" O!

0, C!

"416

'6&' C!

=932#&7 " &2 0, {,

} 3" :#2"# 32 C(5 , C!

)* +#' &9"0 {&

} -# &2.

"."'#/ 0, #9#/#2'" &

∈ O!

* >6#2 '6# #?3"'#21# 0, &2 O!

=<&94#: /#&"47#

µ 02 5 ;3'6 '6# 70 #7'. ∫

"

,

:µ = &

3" #@43<&9#2' '0 '6# ,0990;328 102874#21#"A ,07 &2 &7-3'7&7. 16031# 0,

#9#/#2'" -

∈ C!

&9/0"' &99 0, ;6316 <&23"6

-

,

(.) ∈

#

O!

,07 &99 . ∈ 5 3/ 93#"

-

&

#

O!

. ;<=>>?

4+1,!5

B321# C!

=/#&"47#" &7# 16&7&1'#73"#: &" -042:#: C!

=<&94#: :3"'73-4'302"A

#<#7. C!

=/#&"47#" 02 5 -#10/#" & O!

=<&94#: /#&"47# &,'#7 /49'3 931&'302

-. "0/# 202=C#70 102"'&2'*

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB @C D CE

Page 50: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!""# "# $!"$"%&'&"( )*+* !" #"$"%%&'( &% )*+&),% %&#$"

,

-

=

!

($"

O#

− +-.,"/ 0,#$'&)#).µ =

= $

"

!

(O#

− +-.,"/ 0,#$'&)#).µ ∈ $

"

O#

.

1# )2/"2 ') 32)+" '!" %,4$&"#$( 5" #""/ ') $)#%'2,$' - 6"-%,2" µ 02)6 '!"

#,6*"2% -

7 8)2 - 0,#$'&)# # ∈ C(/ ,O#

) -#/ - 3)%&'&+" &#'"9"2 ( '!"2" ":&%'"."6"#'% ,

∈ C#

%,$! '!-' )#.( - ;#&'" #,6*"2 )0 ,

/)"% #)' +-#&%!< -#/

# −∑

,

#

∈ $"

C(/ ,O#

),

-$$)2/&#9 ') '!" /"#%&'( )0 '!" C#

=%3-# )0 {#

} &# C(/ , C#

)7 >( '!"-%%,63'&)# ?@7AAB '!" +-.,"

-

,

*".)#9% ') O#

-#/ &% 5".. /";#"/

6)/,.) $

"

?&7"7 /)"% #)' /"3"#/ )# '!" $!)&$" )0 ,

B7 8)..)5&#9 C7D7 E-'F

?GE-'HB< 5" /"#)'" '!&% +-.," *( I

!

#.µ 6)/ $"

J7 !"# 5" !-+" '!-' '!"

.&6&' 32)$"/,2"

!

#.µ = .&6

"→∞I

!

#.µ 6)/ $"

J ∈ .&6←−

"

O#

/$"

O#

= O#

,

9&+"% '!" 6"-%,2" µ7 !"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB @C D EC

Page 51: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$%& '(!&#$(

!" > # $! % &'()")*! )+"!,!- .'&-)/! "'

!

=∏

∈!

"

0)"1 # $!)+, % 23!4 (!" '5 &-)/! +6/$!-(7 8()+, "1! .-)"!-)'+ '5 "1!

&-'&'()")'+ 97# 0! (1'0 "1%" "1! Q :*%;6!4 4)("-)$6")'+ 4!2+!4 $< "1!

5'-/6;%

$

"

#

(% ) = $

#

(% )−

#

$

#

(%"

), %

"

(&) = % ( &), =97#>?

"6-+( '6" "' $! % /!%(6-! 01!-! $

#

(% ) %-! 4!2+!4 $< =97@?A

% ∈ !"#(' , Q$

) %+4 "1! 2!;4 Q )( *)!0!4 %( % (6$2!;4 '5 C$

7

B!2+! "1! ,!+!-!;)C!4 D!-+'6;;) &';<+'/)%;( (

(%)#,& () ) %(

∞∑

#=

(

(%)#,& () )

*

#

+!=

%−!∑

'=

% (,)*-

('+( ))

-

%) − #

, =97#E?

%+4 "1! ,!+!-%;)C!4 (6/( '5 &'0!-(

#

#,& (!) =%−!∑

'=

% (,),# .

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB @C D EF

Page 52: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"# $!" %"&#'$'(# )*+,-. /(012334 '153'"6 $!2$

,

[!( )!," (")− !

( )!," (7)] = #

!− ," ("), )*+,*.

2#% 236( 8" 6"" $!2$

!

( )!," ($ ) =

!∑

#=!

(

%

)

!

# ," $!−# = !

!," + !

!− ," $ + · · ·+ !

!," $! . )*+,9.

!" 326$ '%"#$'$4 :2# ;" 0"80'$$"# 641;(3':2334 26

!

!," ($ ) = (!"

+ $ )! .

!" "<=23'$4 )*+,*. "#2;3"6 =6 $( :23:=32$" $!" )>"#"023'?"%. 6=16 (/ 5(8"06 '#

$"016 (/ $!" )>"#"023'?"%. @"0#(=33' #=1;"06+ A# 520$':=320 $!'6 "<=23'$4 '153'"6

$!2$ $!" @"0#(=33' #=1;"06 !

!," :2# ;" (;$2'#"% ;4 $!" /(33(8'#> &B2%': 3'1'$

50(:"%=0" )6"" CD2EFG.H

!

!," = 3'1

$→∞

,

"&

$

#

!," ("&

$) (2 &B2%': 3'1'$), )*+,F.

8!"0" ' '6 2 C%

BI23="% /=#:$'(# (# ( = Z&

+ A#%""%J '/ 8" 0"532:" " '# )*+,*.

;4 "&

$

8'$! >0(8'#> ) 2#% 3"$ * ;" $!" :(11(# %"#(1'#2$(0 (/ 233

:("K:'"#$6 (/ $!" 5(34#(1'23 !

( )!," ($ )+ !"# 8" !2I" /0(1 )*+,9. $!2$

,

[

!

( % )!," (")− !

( )!," (7)

]

≡ !

!− ," ("&

$) (1(%,

*

&

"

)). )*+,E.

!" 50((/ (/ )*+,F. '6 2::(153'6!"% ;4 %'I'6'(# (/ )*+,E. ;4 "&

$

2#% ;4

2553':2$'(# (/ $!" /(01=32 )*+,*.+

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB @C D EF

Page 53: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!" "# $%& '()#$*+, -.!" *.%* *.# '(-*)(/0*(!&

!

'#1&#' /, 234567 %)# (&

8%$* /!0&'#' 9#%-0)#-4 :8 "# 0-# 234557 %&' *%;# *.# 80&$*(!&- {!"

} *! /# %++!8 *.# 80&$*(!&- (& !"#(" ,O

#

)4 <#* {#"

} /# % -,-*#9 !8 #+#9#&*- #

"

∈ C#

-0$. *.%* 8!) %++ $ ∈ " *.# $!&=)0#&$#

"

#

"

!

"

($) ≡ > (9!' %$) 2345?7

.!+'-4 @#* ! =∑

"

#

"

!

"

%&' %--09# 2"(*.!0* +!-- !8 =#&#)%+(*,7 *.%* *.#

&09/#) & (- +%)=# #&!0=. -! *.%* 8!) %++ ' "(*. #

"

6= > *.# $!&=)0#&$#

(

!,%

≡ 5

)%

$

*

!,%

()%$) (9!' %$) 2345A7

(- B%+(' (& %$$!)'%&$# "(*. 2345C74 D.#& "# -## *.%*

(

!,% ≡ ()%$)− ∑

"

&#

!− ∑

'=!

#

"

!

"

(+)+! (9!' %$), 2346>7

.#&$# "# =#* /, '#1&(*(!& 234567E

!

(! ) = (

!,% − ,

!

(

!,%"

234657

≡ ()%$)− ∑

"

&#

!− ∑

'=!

#

"

[

!

"

(+)+! − !

"

(+,)(+,)!]

(9!' %$).

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB @B C DE

Page 54: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"

∈ {#, $, · · · ,!"

! − $}% &'() ")*"

≡ # (+,- !"

!)% ")!. ")! +*/

7−→

0& 1!22 -!3.!- *.- *("& *& * /!4+'"*"0,. ,5 ")! &!"

{#, $, · · · ,!"

! − $}% )!.(! 6789$: 0& !;'0<*2!." ", ")! (,.=4'!.(!

$

"

(% ) = &

",# − #

"

&

",#

≡∑

$

"

− ( #)"

!"

!

%&

!− ∑

'=!

'

$

%

$

( ) " (+,-

). !"##$

%&' ()* +,,-./(0&1 !"23$ 4&5.+667 01/60*, ()+( !

!

"

(" ) ≡ 8 (.&9

):;&./6*(01< ()* /5&&4 &4 ()* +=,(+;( ;&1<5-*1;*, +19 ()* ;&1,(5-;(0&1 &4

.*+,-5*, !

!

"

"

!"#$%

#$% "&'()*+ (!.#2) +*,& -( *-%, .$+. "&' +** " ∈ C(/ , C#

) .$% "&**&0-12 $&*3,

!

!

"

(" ) = 4!

!

(5"− #

" ) !"#>$

0$%'% 5

#

: / −→ C#

∈ C(/ , C#

) -, .$% 6&( &,-.-&1 &" .$% '&7%6.-&1

/ −→ Z#

+13 .$% %(8%33-12 Z#

→ C#

9

?19**9 04 '* /-( +

!

= +6 +:

. 4&5 ,&.* . ∈ Z ()*1 '* ,** ()+(

+

"

!

− (+6)" = (+6 +:

.)" − (+6)" ≡ 4:

.(+6)"− (.&9 (:

)!),

+19 '* <*( ()+( 01 !"##$@

+

"

!

− (+6)"

:

≡ 4(+6)"− +

!

− +6

:

(.&9 :

).

A)* 6+,( ;&1<5-*1;* 0, *B-0C+6*1( (& ,+701< ()+( ()* +=,(5+;( D-..*5

;&1<5-*1;*, !"22$ +5* ,+(0,E*9 =7 +66 4-1;(0&1, &4 ()* (7/* 5

"− #

"

$

4&5 ()*

.*+,-5* !

!

'0() "

$

∈ !"#(/ , C#

) *,(+=60,)01< ()* 09*1(0(7 !"#>$"

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CA D EF

Page 55: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!" #$%&'( $) #"*('+'$( $) +!" ($(,-./!'%"#"&( 0"+& )1(/+'$(2

! "#$ %&'(()%'& %'($ "#$ ($" *! +#)%# ,$"' -.!%")*!( '/$ 0$1!$0 )( "#$ ($" *-

%*23&$4 !.25$/( C +#)%# 2'6 5$ 7)$+$0 $8.'&&6 '( "#$ ($" *- '&& %*!")!.*.(

%#'/'%"$/( 92*/$ 3/$%)($&6: 8.'()%#'/'%"$/(; 7)' "#$ -*&&*+)!< )(*2*/3#)(2=

C∼−→ !"

!"#

(R×+, C×) 9>?@>;

7−→ (! 7−→ !

)

A#$ %*!("/.%")*! +#)%# '((*%)'"$( "* ' -.!%")*! "(!) *! R×+ 9+)"# %$/"')!

</*+"# %*!0)")*!( '( ! →∞ '!0 ! → B; "#$ -*&&*+)!< )!"$</'&

#

!

( ) =

+

"(!)!

$!

!

9+#)%# %*!7$/<$( 3/*5'5&6 !*" -*/ '&& 7'&.$( *- ; )( %'&&$0 "#$ %&''() *+,) -.+/?

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E FG

Page 56: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!" #$%&'(#) *+ ζ( ) =∑

≥ !

−!*, -.# /*#&%00 1#-% +203-*!0) -.#0 -.#

+203-*!0 ζ( )Γ( ) *, -.# 4#((*0 -"%0,+!"& !+ -.# +203-*!0 "(#) = 5/(5− $

−" )6

ζ( )Γ( ) =∞∑

!

5

5− $

−"#

!

%#

#

, 789:;<

,! -.%- -.# *0-#="%( %0> -.# ,#"*#, %"# %?,!(2-#(@ 3!0A#"=#0- +!" !( ) > 59 !"

%0 %"?*-"%"@ +203-*!0 !+ -@'#

& (') =

∞∑

=

((!)$"#π $

B*-. ' = ) + *# ∈ H *0 -.# 2''#" .%(+ '(%0# H %0> B*-. -.# ="!B-. 3!0>*-*!0

((!) = O(!%) 7+ > C< !0 *-, !2"*#" 3!#D3*#0-,) B# ,## -.%- -.# 1#-% +203-*!0

,( , & ) =∞∑

=

((!)!−! ,

#,,#0-*%((@ 3!*03*>#, B*-. -.# 4#((*0 -"%0,+!"& !+ & (')) -.%- *,

Γ( )

(:π)!,( , & ) =

∫ ∞

!

& (*#)# !%#

#

. 789:E<

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB C@ D EF

Page 57: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"# $%&'$ !( "#' ')*+,%"- ./0123 4!56'78' +9$!,*"',- (!7 !( ) > :+ ! 0

;#' %&'5"%"%'$ ./01<3 +5& ./0123 +7' %=='&%+"',- &'&*4'& (7!= "#' >',,

?5!>5 %5"'87+, 7'@7'$'5"+"%!5 (!7 "#' 8+==+A(*54"%!5

Γ( ) =

∫ ∞

"

#

!

$#

#

, ./01B3

>#'7'

"

%$ + ='+$*7' !5 "#' 87!*@ R×+ >#%4# %$ %56+7%+5" *5&'7 "#' 87!*@

"7+5$,+"%!5$ .C++7 ='+$*7'30 ;#' %5"'87+, ./01B3 %$ +9$!,*"',- 4!56'78'5"

(!7 !( ) > D +5& %" 4+5 9' %5"'7@7'"'& +$ "#' %5"'87+, !( "#' @7!&*4" !( +5

+&&%"%6' 4#+7+4"'7 # 7→ "

!( "#' 87!*@ R(+)7'$"7%4"'& "! R×+E +5& !( "#'

=*,"%@,%4+"%6' 4#+7+4"'7 # 7→ #

!

E %5"'87+"%!5 %$ "+?'5 >%"# 7'$@'4" "! "#'

C++7 ='+$*7' "#/# !5 "#' 87!*@ R×+0

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CC D EF

Page 58: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$ "#$%&' %( "#$ !%!)*&+#,-$.$/! ,!"$0&/",%! %!$ +%!1,.$&1 "#$ 0&%23

4"#$ 0&%23 %( 2!,"1 %( "#$ )/.,+ +%-35$",%! %( "#$ &,!0 %( ,!"$0$&1 Z6

,!1"$/. %( "#$ 0&%23 R×+7 /!. "#$ 8/"$ 9$5. C!

= Q!

4"#$ +%-35$",%! %(

/! /50$:&/,+ +5%12&$ %( Q!

6 ,!1"$/. %( "#$ +%-35$; 9$5. C< 8#$ .%-/,! %(

.$9!,",%! %( "#$ !)/.,+ =$"/ (2!+",%!1 ,1 "#$ !)/.,+ /!/5'",+ 0&%23

"

= !" !"#

(Z×

, C×!

) = " (Z×

), 4><?@6

A#$&$B

∼= ⊕"∈ Z×

"

,

/!. "#$ 1'-:%5

" (# ) = !" !"#

(# , C×!

) 4><?C6

.$!%"$1 "#$ (2!+"%& %( /55 !)/.,+ +#/&/+"$&1 %( / "%3%5%0,+/5 0&%23 # 41$$

DE,FGH6<

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E FG

Page 59: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!" #$#%&'() *'+,)',+" -.

!" #$ %&'$()!* (' )!"+(, "-! $"*#%"#*! &. "-! "&/&,&0(%+, 0*&#/

1 2!3'!

!

!

= {" ∈ Z×!

| " ≡ 4 (5&) #ν)},

6-!*! ν = 4 &* ν = 7 +%%&*)('0 +$ # > 7 &* # = 71 8-!' 6! -+9! "-! '+"#*+,

)!%&5/&$("(&'

=

(Z/#νZ)× ×∏

" 6=!

Z×"

× (!!

). :;1<=>

8-! +'+,?"(% )$"*#%"#*! &' (!!

) ($ )!3'!) @? "-! .&,,&6('0 ($&5&*/-($5 :6-(%-

($ !A#(9+,!'" "& + $/!%(+, %-&(%! &. + ,&%+, /+*+5!"!*>B

ϕ : (!!

)∼−→ $ = {% ∈ C×

!

| |% − 4|!

< 4},

6-!*! ϕ(") = "(4 + #

ν)C 4 + #

ν@!('0 + "&/&/,&0(%+, 0!'!*+"&* &. "-!

5#,"(/,(%+"(9! 0*&#/ !

!

∼= Z!

1 D' +*@("*+*? %-+*+%"!* χ ∈

%+' @! #'(A#!,?

*!/*!$!'"!) (' "-! .&*5 χ = χ

χ!

6-!*! χ

($ "*(9(+, &' "-! %&5/&'!'" !

!

C +')

χ!

($ "*(9(+, &' "-! &"-!* %&5/&'!'"

(Z/#νZ)× ×∏

" 6=!

Z×"

.

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E DF

Page 60: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!" #!$%$#&"% χ

'( #$))"* &!" !"# $%"&%'#' + $,* χ!

&!" ()*+ $%"&%'#' -.

&!" #!$%$#&"% χ/ 0" *",-&" 12 &!" (231-) χ( ) &!" 45')*6 #!$%$#&"% 5!'#! '(

7,'87")2 *"&"%3',"* 12 &!" #-,*'&'-,

χ( )(9+ &

ν) =

5'&! ∈ C!

+ | |!

< 9/

:, (-3" #$("( '& '( #-,;",'",& &- 7(" $,-&!"% )-#$) #--%*',$&" , 5!'#! '(

$,$)-<-7( &- &!" #)$(('#$) $%<73",& , -. &!" ='%'#!)"& ("%'"(>

O!

−→ -

"

, 7−→ χ(#),

5!"%" χ(#)'( <';", 12 χ(#)((9+ &

ν)α) = (9+ &

ν)α# = "?@(α, )-<(9+ &

ν))/ !" #!$%$#&"% χ(#)

'( *"A,"* -,)2 .-% (7#! , .-% 5!'#! &!" ("%'"( "?@ '(

&B$*'#$))2 #-,;"%<",& 4'/"/ .-% |,|!

< &

ν−!/(!−!)6/ :, &!'( *-3$', -. ;$)7"(

-. &!" $%<73",& 5" !$;" &!$& = (9+ &

ν)# − 9/ C7&+ .-% "?$3@)"+ .-%(9+ )!

= 9 &!"%" '( #"%&$',)2 ,- (7#! ;$)7" -. , 41"#$7(" 6= 96+ (- &!$&

&!" ,B#--%*-,$&" @$%$3"&%'D"( $ (3$))"% ,"'<!1-%!--* -. &!" &%';'$)

#!$%$#&"% &!$, &!" B#--%*',$&" 45!'#! @$%$3"&%'D"( $)) 5')* #!$%$#&"%(6

4("" EF$GHI+ EF$,GJI6/

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E FD

Page 61: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$ !%!&'(#$ )*%$(#+%, +% !

!"#$$ %&#% #' #'#$(%)" *+'"%),' : ! −→ C

-! = {" ∈ C×

| |" − .|

< .}/0 )1 2!3'!2 #1 %&! 1+4 ,* # 1!5)!1 ,* %&! %(6!

!≥

#

!

($ − .)! -#!

∈ C

/0 7&)"& )1 #11+4!2 %, 8! #81,$+%!$( ",'9!5:!'% *,5 #$$

$ ∈ ! ; <&! ',%),' ,* #' #'#$(%)" *+'"%),' )1 %&!' ,89),+1$( !=%!'2!2 %, %&!

7&,$! :5,+6 %

"

8( 1&)*%1; <&! *+'"%),'

($) =∞∑

!=

#

!

($ − .)!

)1 8,+'2!2 ,' ! )> #$$ )%1 ",!?")!'%1 #

!

#5! +')9!51#$$( 8,+'2!2; <&)1 $#1%

*#"% "#' 8! !#1)$( 2!2+"!2 *,5 !=#46$! *5,4 %&! 8#1)" 65,6!5%)!1 ,* %&!

@!7%,' 6,$(:,' ,* %&! 1!5)!1 ($) -1!! AB,8CDE0 AF)GHE/; I* 7! #66$( %,%&!1! 1!5)!1 %&! J!)!51%5#11 65!6#5#%),' %&!,5!4 -1!! AB,8CDE0 AK#'G.E/0

7! 1!! %&#% )' %&)1 "#1! %&! *+'"%),' &#1 ,'$( # 3')%! '+48!5 ,* L!5,!1

,' ! -)* )% )1 ',% )2!'%)"#$$( L!5,/;

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E FG

Page 62: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%&'()#$* '+!,&-.$ %/. %+$,&+! ,(01$+("

!"#

2 3/&, ,(01$+(" &,

-&,'$.%. &!

#!- &%, .).4.!%, χ ∈ !"#

'#! 0. +05&+(,)6 &-.!%&7.- 8&%/

"$&4&%&5. 9&$&'/).% '/#$#'%.$, χ 4+- ! ,('/ %/#% %/. ,(""+$%

"(χ) = "(!) +: %/. '+!-('%+$ +: χ &, '+!%#&!-.- &! " 2 3/&, &-.!%&7'#%&+!

&, "$+5&-.- 06 # 7;.- .40.--&!1 -.!+%.-

#

!

: Q× → C×

!

&: 8. !+%. %/#% .#'/ '/#$#'%.$ χ ∈ !"#

'#! 0. :#'%+$.- %/$+(1/ ,+4.

7!&%. :#'%+$ 1$+(" (Z/!Z)×<

χ : Z×

→ (Z/!Z)× → Q× "

→ C×!

,

#!- %/. ,4#)).,% !(40.$ ! 8&%/ %/. #0+5. '+!-&%&+! &, %/. '+!-('%+$ +:

χ ∈ !"#

2

3/. ,640+) $

!

8&)) -.!+%. %/. '+4"+,&%&+! +: %/. !#%($#) "$+=.'%&+!

→ Z×!

#!- +: %/. !#%($#) .40.--&!1 Z×!

→ C×!

* ,+ %/#% $

!

#!-

#)) &!%.1.$, % '#! 0. '+!,&-.$.- #, %/. '/#$#'%.$, $

#

!

: & 7−→ &

#

2

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E FG

Page 63: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!" #$ %&'$()!* + ,&#')!) C

-+'+./"(% 0#'%"(&' &' !

!

1 23! +,&4!

$"+"!5!'" +,&#" 6!*&!$ &0 ,&#')!) C

-+'+./"(% 0#'%"(&'$ (57.(!$ '&8 "3+"

"3! 0#'%"(&' ($ #'(9#!./ )!"!*5('!) ,/ ("$ 4+.#!$ (χ

χ): 83!*! χ

($ +

;<!) %3+*+%"!* +') χ *#'$ "3*&#=3 +.. !.!5!'"$ χ ∈ !

!"#

!

8("3 7&$$(,.!

!<%.#$(&' &0 + ;'("! '#5,!* &0 %3+*+%"!*$ (' !+%3 +'+./"(%("/ %&57&'!'" &0

"3! )!%&57&$("(&' >?1@AB1 23($ %&')("(&' ($ $+"($;!): 0&* !<+57.!: ,/ "3!

$!" &0 %3+*+%"!*$ χ ∈ !

!"#

!

8("3 "3! "-%&57.!"! %&')#%"&* >(1!1 $#%3 "3+"

"(χ) = "B: +') !4!' 0&* + $5+..!* $!" &0 %3+*+%"!*$: 0&* !<+57.! 0&* "3! $!"

&,"+('!) ,/ (57&$('= "3! +))("(&'+. +$$#57"(&' "3+" "3! %3+*+%"!* χ!

($

'&" "*(4(+. >$!! CD+E@F: CD+'EGF: CH(EGFB1

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CB D EF

Page 64: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$ %&''#( )*!(+,-*.

!" µ #! $ %#&'()!)* C

+,$-'!) .!$/'0! &( Z×!

1 23!( "3! ! "#$%&'()*)+

,)--' .$+ /0!$( &4 "3! .!$/'0! µ 5/ )!6(!) #7

1µ(2) = µ(2) =

2 µ, (2 ∈ 3

!

), %819:*

;35<3 0!=0!/!("/ $ #&'()!) C

+$($-7"5< 4'(<"5&(

1µ : 3!

−→ C

. %819>*

?()!!)@ "3! #&'()!)(!// &4 "3! 4'(<"5&( 1µ 5/ &#,5&'/ /5(<! $-- <3$0$<"!0/

2 ∈ 3

!

"$A! ,$-'!/ 5( O

$() µ $-/& 5/ #&'()!)1 23! $($-7"5<5"7 &4 "35/

4'(<"5&( !B=0!//!/ $ C!(!0$- =0&=!0"7 &4 "3! 5("!C0$- %819:*@ ($.!-7 "3$" 5"

)!=!()/ $($-7"5<$--7 &( "3! =$0$.!"!0 2 ∈ 3

!

1 D&;!,!0@ ;! C5,! #!-&; $

='0! $-C!#0$5< =0&&4 &4 "35/ 4$<" ;35<3 5/ #$/!) &( $ )!/<05="5&( &4 "3!

?;$/$;$ $-C!#0$1 235/ )!/<05="5&( ;5-- $-/& 5.=-7 "3$" !,!07 #&'()!)

C

+$($-7"5< 4'(<"5&( &( 3

!

5/ "3! E!--5( "0$(/4&0. &4 $ <!0"$5( .!$/'0! µ1

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CA D EF

Page 65: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!" #$%&%$% %'(")*%

!" O #! $ %&'(!) (*#+,-. ,- O

= { ∈ C

| | |

≤ /}0! = &,1

←−

!

!

!

, (" ∈ # ),

$ 2+'3-,"! .+'*24 56!- "6! %$-'-,%$& 6'1'1'+26,(1 !

!

π !←− !

"

,-)*%!( $

6'1'1'+26,(1 '7 "6! %'++!(2'-),-. .+'*2 +,-.(

O[!!

]←− O[!"

].

56!- "6! $%&'()*)+ ,-%.' -"/, O[[! ]] ,( )!3-!) $( "6! 2+'8!%",9! &,1,"

O[[! ]] = &,1

←−

!

O[[!!

]], (" ∈ # ).

!" *( %'-(,)!+ $&(' "6! (!" !"#(! ,O) '7 $&& O:9$&*!) ),("+,#*",'-( '- !

;6,%6 ,"(!&7 ,( $- O:1')*&! $-) $ +,-. ;,"6 +!(2!%" "' 1*&",2&,%$",'- .,9!-

#< "6! $%/0%(.*"%/ %1 +"2*-"3.*"%/20 ;6,%6 ,( )!3-!) ,- "!+1( '7 7$1,&,!( '7

7*-%",'-(

µ(!)

, µ(!)!

: !!

−→ O,

=(!! "6! 2+!9,'*( (!%",'-> $( 7'&&';(?

⋆ µ!

)(!)(4) =∑

# #

#

!

µ(!)

(4

)µ(!)!

(4!

), (4

, 4!

∈ !

!

) =@4AA>

B!%$&& $&(' "6$" "6! :9$&*!) ),("+,#*",'-( $+! ,)!-",3!) ;,"6 :9$&*!)

1!$(*+!(4 C'; ;! )!(%+,#! $- ,('1'+26,(1 '7 :$&.!#+$( ! $-)

!"# ! 4 D- "6,( %$(! ;6!- !

"6! $&.!#+$ ! ,( %$&&!) "6!

#562656 6(,)3-64

!"#$"%

768 9/+)- *:) 26&) /%*6*"%/ 62 63%0) *:)-) "2 *:) $6/%/"$6( "2%&%-':"2&

%1 !"#$%&!'

!"# ( ( !"#!$

)%* +, (

-.$/ -.$&$ 0' !/ 0'121&3.0'2

( 4 !"#%$

5.$&$ 4 0' -.$ &0/# 1, ,1&2!" 315$& '$&0$' 0/ 4 16$& 7 8.$

0'121&3.0'2 )97:;* <$3$/<' 1/ ! =.10=$ 1, -.$ -131"1#0=!" #$/$&!-1& 1, -.$

#&1>3 (

7

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E FG

Page 66: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%&!' ()#*! $+($ $+! $+!#,!- . /#01' %-213 ( '!4&,%2$%#" #5 C

6("(13$%&

)#0"'!' 50"&$%#"4 #"

!

%" $!,-4 #5 -!(40,!47 8"'!!'9 $+!4! 50"&$%#"4 (,!

'!:"!' #" ("(13$%&%$3 &#-2#"!"$4 #5 $+! '!&#-2#4%$%#" ;.7<=> (4 &!,$(%" 2#/!,

4!,%!4 /%$+ !6('%&(113 )#0"'!' &#!?&%!"$49 $+($ %49 2#/!, 4!,%!49 /+#4!

&#!?&%!"$4 )!1#"@ $# O

(5$!, -01$%21%&($%#" )3 4#-! &#"4$("$ 5,#- C×

7

A#,-01(4 5#, &#!?&%!"$4 #5 $+!4! 4!,%!4 &(" )! (14# '!'0&!' 5,#- $+! 2,##5 #5

$+! $+!#,!-7 B#/!*!,9 /! @%*! ( -#,! '%,!&$ &#-20$($%#" #5 $+!4! &#!?&%!"$4

%" $!,-4 #5 $+! &#,,!42#"'%"@ -!(40,!47 C!$ 04 &#"4%'!, $+! &#-2#"!"$ "#

#5

$+! 4!$ Z×!

/+!,!

" ∈ (Z/!νZ)× ×∏

" 6=

Z×"

,

("' 1!$ µ#

($) = µ("$) )! $+! &#,,!42#"'%"@ -!(40,! #" #

'!:"!' )3

,!4$,%&$%#" #5 µ $# $+! 40)4!$ "#

⊂ Z×!

7

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB C@ D EF

Page 67: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$%&' ()& $#!*!'+)$#*

∼= Z

,$-&" ./0

! = γ! (" ∈ Z

, ! ∈

),

1$() #!*& 2)!$2& !3 ()& ,&"&'4(!' γ !3

53!' &64*+7&8 1& 24" (49&

γ = :+ #

ν;< =&( µ′

"

.& ()& 2!''&#+!"%$", *&4#>'& !" Z

< ?)&" ()$# *&4#>'&

$# >"$@>&7/ %&(&'*$"&% ./ -47>&# !3 ()& $"(&,'47#

Z

("

$

)

%µ′"

(") = &

#

, 5A<BC;

1$() ()& $"(&'+!74($!" +!7/"!*$47#

(!

#

)8 #$"2& ()& C

D#+4" !3 ()& 34*$7/

{("

$

)}

($ ∈ Z, $ ≥ E)

$# %&"#& $" C(Z

,O

) 422!'%$", (! F4)7&'G# $"(&'+!74($!" ()&!'&* 3!'

2!"($">!># 3>"2($!"# !" Z

;< H"%&&%8 3'!* ()& .4#$2 +'!+&'($&# !3 ()&

$"(&'+!74($!" +!7/"!*$47# $( 3!77!1# ()4(

#

'

#

("

$

)

≡ E (*!% #$) (3!' 477 " ∈ Z

) =⇒ '

#

≡ E (*!% #$).

I& 24" "!1 4++7/ ()& 4.#('42( J>**&' 2!",'>&"2&# 5#&& +'!+!#$($!" A<:;8

1)$2) $*+7/ ()4( 3!' 4'.$('4'/ 2)!$2& !3 ">*.&'# &

#

∈ O

()&'& &6$#(# 4

*&4#>'& 1$() ()& +'!+&'(/ 5A<BC;<

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E FG

Page 68: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$%"&'( !) *!+", (",%"( -&. '/" 0+-(-+- %(!1!,*/%(1

! "#$#! #%$# #%! &!''() #*$)"+,*- µ

,+ #%! -!$".*! µ

(" /(0!) 12 #%!

3,4!* "!*(!" !

(") 4(#% 5,!65(!)#" $" () 789:;<= #%$# ("

!

!

χ(")(#) µ($#) =∞∑

#=

(∫

Z!

(%

&

)

µ′

(%)

)

(" − >)# 789:?<

+,* $'' 4('@ 5%$*$5#!*" ,+ #%! +,*- χ(")= χ(")(γ) = "= |" − >|$

< >9 A# ".65!"#, "%,4 #%$# 789:?< (" 0$'(@ +,* $'' 5%$*$5#!*" ,+ #%! #23! # 7−→ #

%

= 4%!*!

' (" $ 3,"(#(0! ()#!/!*9 A) ,*@!* #, @, #%(" 4! ."! #%! 1(),-($' !B3$)"(,)

γ%& = (>+ (γ% − >))& =

∞∑

#=

(%

&

)

(γ% − >)# ,

4%(5% (-3'(!" #%$#

'

!

#

%

µ($#) =

Z!

γ%&

µ′

(%) =∞∑

#=

(∫

Z!

(%

&

)

µ′

(%)

)

(γ% − >)# ,

!"#$1'("%()/ 789:?<9

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CC D EF

Page 69: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$%&' (")*+,- #&"-*+& "./ 01& .2.34+516#&/&".

7*820"39&2$2%/0 )&0" :*.5062.

!" #$ %&$" '()$*+!& , -($*"*.! *)"!/!& ∈ Z×

∩ Z0 > 1 '(-&*2! "( ,33 -&*2!$

*) ! 4 56!) 7(& !,'6 '(2-3!8 )#29!& " ∈ C "6!&! !8*$"$ , '(2-3!8 +*$"&*9#"*()

µ!"

() #

= Z×

:6*'6 *$ #)*;#!3< +!"!&2*)!+ 9< "6! 7(33(:*)/ '()+*"*()

µ!"

(χ) = (1− χ− ( ) − −")$#

(−", χ), =>4?@A

:6!&! %

!

=∏

$∈ &4 B(&!(.!&0 "6! &*/6" 6,)+ $*+! (7 =>4?@A *$ 6(3(2(&-6*'

7(& ,33 " ∈ C *)'3#+*)/ " = −14 C7 " *$ ,) *)"!/!& ,)+ " ≥ D "6!) ,''(&+*)/ "(

'&*"!&*() (7 -&(-($*"*() >41 "6! &*/6" 6,)+ $*+! (7 =>4?@A 9!3()/$ "( "6! %!3+

Q(χ) ⊂ Q ! ⊂ Q

/!)!&,"!+ 9< .,3#!$ (7 "6! '6,&,'"!& χ4

!"#$#% &!'()*+),*' -./#012"#3 4567%8 95:;08<%10= 607 >17;"6/ :1/>= *(?&@ +#4<#>2#/@A B CD E DF

Page 70: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"# $% &%' ( )*#'+*,"'*-. $*'! /(0"%# *. Q !

1 23 $% .-$ (4405 '- 67189:

'!% ;<%) %=,%))*.&

: Q → C

$% &%' ( C

>/(0"%) )*#'+*,"'*-.

µ(!) =

(µ!

) $!*?! '"+.# -"' '- ,% (. O

>=%(#"+% *. /*%$ -3 4+-4-#*'*-.

71@A (.) '!% 3-00-$*.& %B"(0*'5 !-0)#

µ(!)(χ!

"

) =

(µ!

"

(χ)).

!*# *)%.'*'5 +%0('%# '!% #4%?*(0 /(0"%# -3 '!% C*+*?!0%' ">3".?'*-.# ('

)*D%+%.' .-.>4-#*'*/% 4-*.'#1 !% 3".?'*-.

"(!) =(@− #

−!!(#)−!

)−!"µ( )(!) (! ∈ $

#

) 6718E:

*# $%00 )%;.%) (.) *' *# !-0-=-+4!*? -. $

#

$*'! '!% %<?%4'*-. -3 ( #*=40%

4-0% (' '!% 4-*.' ! = !

∈ $

#

1 !*# 3".?'*-. *# ?(00%) '!%

%&%'()#* +,-,.% /,0.'12%#0 &% &1 324&0.'",&5&6-01 !% ?-++%#4-.)*.&

=%(#"+% µ(!)$*00 ,% ?(00%) '!% 7'.- # 8./2) +,.92),1

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E FD

Page 71: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$%!

◦&' !"#$% $& '()$)*'(+ ,-$.!'"*$) $& /$%0+(- %*1"-*20"*$)13

$%0+(- &$-/14 5&0)'"*$)1 ()% '$)6-0!)'!1 2!"7!!) /$%0+(- &$-/1

!

8 "-(%*"*$)(+ /!"#$% $& !5(%*' *)"!-,$+("*$)3 ()% "#! /!"#$% $&

'()$)*'(+ ,-$.!'"*$) $& /$%0+(- %*1"-*20"*$)1

"

9#! 01! $& "#! :*1!)1"!*) 1!-*!1 ()% $& "#! ;()<*)5=!+2!-6 /!"#$%

9#! :*1!)1"!*) /!(10-! 2> ?3 3@("A4 3 3 3 B$)C$+0"*$)1 $& :*1!)1"!*)

%*1"-*20"*$)1 7*"# $"#!- %*1"-*20"*$)1

#

:D(/,+!1 $& '$)1"-0'"*$) $& !5(%*' 5&0)'"*$)1

$

E(/*+*!1 $& /$%0+(- &$-/1 ()% 5&0)'"*$)13

%&'(') *%+,-./-0.+ 123'456&'7 89:;)< =9>?4<@)54A :4; B5;?&:3 >53BA .,C*D /'8@'B6'3D!EEF #G H $I

Page 72: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$%& '!&() %) % *!!$ +, %&+*-(.*+/

! "#!$ %&'()*+ ,&+%- *-.

/0 12&$!+ -!+#!-

! =∞∑

=

"

∈ C[[ ]] *3' *-

40 5&)&%&+25#6 ,(367#&3-

&3 75! (22!+ 5*), 2)*3!

H = {# ∈ C | ! # > 8}

$5!+! = !92(4π$#):# ∈ H: *3' '!;3!

%1,(367#&3

%(! , &, χ) =∞∑

=!

χ(')"

'

−!

,&+ * <#+#65)!7 65*+*67!+

χ : (Z/(Z)∗ → C∗ =#7- >!))#3 7+*3-,&+%0

!"#$%& '("#)*'+ ,-' ."#"/%0"/ !%/1,2$/ τ( )?5! ,(367#&3 ∆ =&, 75! "*+#*@)! #0#- '!;3!' @A 75! ,&+%*) !92*3-#&3

∆ =∑∞

=!

τ(')

=

∏∞"=!

(/−

")"#

= − 4B " + 4C4 $ + · · ·#- * 6(-2 ,&+% &, $!#D57 ) = /4,&+ 75! D+&(2 Γ = "#

"

(Z)0E

τ(/) = /, τ(4) = −4B:τ(F) = 4C4, τ(B) = −/BG4τ(*)τ(') = τ(*'),&+ (',*) = /:

|τ(+)| ≤ 4+!!/"

,&+ *)) 2+#%!- + E

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E FG

Page 73: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"##$%"! &'()!"* +'*&#

!" #$%!&'()"' * )"!% #$ +&,&-&!.+#) /($)%#&$* &$ %+" (.."! + ,/ ., $"

H = { ∈ C | ! > 0}1 2+#)+ ) $ 3" !"4 !'"' * +&-&4"$"&(* *. )"

/&! %+" 4!&(. ! (R) = "#

(R)5

H = "#

(R)/O(6) · " , 78980:

2+"!" " = {(

!

!

)

|# ∈ R×} #* %+" )"$%"! &/ ! (R) $' O(6) #* %+"

&!%+&4&$ , 4!&(.9 ;+" 4!&(. "#

+

(R) &/ - %!#)"* γ =(!γ

)

2#%+

.&*#%#<" '"%"!-#$ $% )%* &$ H 3= /! )%#&$ , ,#$" ! %! $*/&!- %#&$*> &$

)&*"%* 78980: %+#* )%#&$ %! $*/&!-* #$%& %+" $ %(! , )%#&$ 3= 4!&(. *+#/%*9

?"% Γ 3" *(34!&(. &/ @$#%" #$'"A #$ %+" -&'(, ! 4!&(. $#

(Z)9

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CB D EF

Page 74: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$%$&# &' ( )&*+,(- '&-)

!"#"$"%&!'( )*+(,'"+ : H → C '- (.##/0 . $"0*#.% )"%$ ") 1'+,/2%.#3

4/'2!, ! 4',! %/-&/(, ," Γ '5 ,!/ ("+0','"+- .3 .+0 63 .%/ -.,'-7/08

.3 "#$%&%'()* +%,-.$.%,

((/γ0 + 1γ)/(+γ0 + -γ)) = (+γ0 + -γ)

(0) 19:9;3

)"% .## /#/$/+,- γ ∈ Γ<63 234#5/'.$* /$ +#6(68 '- %/2*#.% ., (*-&- 0 ∈ Q ∪ .∞ 1,!/ (*-&- (.+

6/ ='/4/0 .- 7>/0 &"'+,- ") &.%.6"#'( /#/$/+,- ") Γ3< ,!'- $/.+- ,!., )"%

/.(! /#/$/+, σ =(!

"

#

$

)

∈ !

(Z) ,!/ )*+(,'"+ (+0 + -)−

(!%+#

"%+$

)

.0$',- . ?"*%'/% />&.+-'"+ "=/% +"+@+/2.,'=/ &"4/%- ") 7

!/& = 3(0/8))"% . +.,*%.# +*$6/% 8: A+/ 4%',/- ,%.0','"+.##B

7 = 3(0) = />&(Cπ.0).

$"0*#.% )"%$

(0) =

∞∑

'="

/(,)3(,0/8)

'- (.##/0 . (*-& )"%$ ') =.+'-!/- ., .## (*-&- 1':/: ') ,!/ .6"=/ ?"*%'/%

/>&.+-'"+ ("+,.'+- "+#B &"-','=/ &"4/%- ") 7

!/&3D -// EF.GHID EJ.KL.MNI

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CA D CE

Page 75: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!" #$%&'"( )"#*$+ ,&-#" $. -'' %$/0'-+ 1+",&2 #0,&3 .$+%, $. 4"56!* 45*!

+",&"#* *$ Γ 5, /"7$*"/ 89 M

(Γ) 1+",&2 S

(Γ)32: 8-,5# .-#* .+$% *!" *!"$+9 $. %$/0'-+ .$+%, 5, *!-* *!" ,&-#", $. %$/0'-+

.$+%, -+" ;75*" /5%"7,5$7-'2 :',$< $7" !-, M

(Γ)M!

(Γ) ⊂ M +!

(Γ)2 !"/5+"#* ,0%

M(Γ) =∞⊕

=

M

(Γ)

!"#$ %! % &' ( )"(*'* (+)'&"( %,'" C -. / ( 0#. ' #!1&'" %2 )'#'"( %"$3

4# '5(16+' %2 ( 1%*!+(" 2%"1 -. / "'$6'7 % !

!

(Z) %2 -'.)/ ≥ 8 .$

).,'# &9 /' !"#$%#&$"% #$'"$#

(

()) =∑

!

,!!

∈Z

′(*

"

+*

!

))− :838;<

:6".1' *'#% .#) (*"

,*!

) 6= (=, =)<3 >%" /'$' $'".'$ /' (! %1%"6/9

7%#*. .%# :838?< 7(# &' *'*!7'* $ "(.)/ 2"%1 /' *'0#. .%#3 @#' /($

(

()) ≡ = 2%" %** (#*

(

()) =;(;π")

( − ?)!

[

−+

;

+

∞∑

"="

σ −"(%)$(%))

]

, :838A<

-/'"' σ −"(%) =

# |" , −"

(#* +

.$ /'

!

+$'%-.//" %.*0$'3

B/' )"(*'* (+)'&"( M( !!

(Z)) .$ .$%1%"6/.7 % /' 6%+9#%1.(+ ".#) %2 /'

:.#*'6'#*'# < ,(".(&+'$ (

#

(#* (

$

3

"#$%$& '"()*+,*-+( ./0$123#$4 5678&9 :6;<19=&21> 718 ?28<#70 ;20?> +)@'A ,$5=$?3$0A!BBC D E DF

Page 76: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$%&'

!"#$$ %&#%

'!()%! %&! *!+(),$$$- (,./!+0 '!1(!' /2 %&! '!3!$)4.!(%

!

"

! − 5

=∞

=

!

#!

67,.!+-"#$ %#/$!8

= 5, !

= −5

9

, "

=5

:

, #

=

$

= · · · = ;, %

= −5

<;

, &

=5

=9

,

'

= −>

::

, !"

=:?5

9@<;

!%

= −@

:

, !&

=<:5@

>5;

!'

= −=<A:@

@?A

, . . . ).

B(! &#0

ζ(#) = −(9π$)

9

,%

(&) =(9π$)

(# − 5)!

[

9#

+∞

"=!

σ −!(')(

"

]

.

)

%

(&) = 5+ 9=;

∞∑

"=!

σ#

(')(" ∈M%

( !(9, Z)),

)

&

(&) = 5− >;=

∞∑

"=!

σ$

(')(" ∈M&

( !(9, Z)),

)

'

(&) = 5+ =A;

∞∑

"=!

σ(

(')(" ∈M'

( !(9, Z)),

)

!

(&) = 5− 9:=

∞∑

"=!

σ)

(')(" ∈M!

( !(9, Z)),

)

!"

(&) = 5+:>>9;

:?5

∞∑

"=!

σ!!

(')(" ∈M!"

( !(9, Z)),

)

!%

(&) = 5− 9=

∞∑

"=!

σ!#

(')(" ∈M!%

( !(9, Z)).

*+,,- 0!! -( CD!++!@;EF

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB C@ D CE

Page 77: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"# $%&'(#!#)%* %+ #,- .!&!*(/!* +(*$#)%*0

!"

:=

∞∑

!=

" |!

!

− "

! =

∞∑

"=

!

− "

"

#− "

"

. $%& '()**+')( ,)'" +* "%)" ∆ = (# !

"

− #

#

$

)/#-./

0%&1& #

"

= #+ .23

"

)45 #

$

= #− 632

$

7

!"#$%&'( )&%* +,-./0+ *&& !!!"#$% &'( )*+,-.) /012(3 4'(536 7674(18%

!!"#$$"%&'()%! (*+,-&./%*0(1&

:=∞

!=

" |!

!

− "

! =∞

"=

!

− "

"

#− "

"

=⇒

2" 3 456*)7.589:;9.<=>?<.$78+?<.@AB7?<:;@@

2" 3 C56*)7.589:;9.<D>?<.$78+?<.@AB7?<:;@

2" 3 E/F!%5778A:C;> C@<D+78+=;C> 4@<:@$8G:H

! "#$ %" & "'"$ %( ! )#*"$ %# & #+(,$ %' ! -,#+$ %- ! )-*##$ %*

& +##+,$ %+ ! ))(-#($ %. ! ))'.",$ %), & '(#-)"$ %))

! (*,.##$ %)" ! '***(+$ %)( & #,)+'-$ %)# & )")*)-,$ %)'

& .+*)(-$ %)- ! -.,'.(#$ %)*& "*"*#("$ %)+ & ),--)#",$ %).

& /0 %",1

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E CF

Page 78: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$%&"'& !( )*+*"%,*"

τ( ) ≡∑

|!

!

!" #$% :

! " #$%&'()*+,-./0+

1+2 3 )4567, ) ,8/5674 ) /298567: ) 92/8/5678 ) 8,8422567/

) ,;/+8/;5679 ) +,:49++8567; ) :8:+::225670

) +::9;;/4:567+2 ) :+,;0/222567++ ) +298909,/;567+,

) ,80489804/567+4 ) 8;/442,/22567+: ) +,8+9;288/;567+8

) ,8:9+:/2:98567+/ ) :08098::::;567+9

) 042849/:/9+567+; ) +/;8;,+,:;22567+0 < =#67,2-

!"# $"!%"&'( !) *!'$+,-.% τ( ) /(## 012!&.#34

>?=@?AB

#BA@BA- B+,C3BDEF&(GHDGIJ#@(II(2#+-K +,-L '+C3M(JNJ#B+,-O,PL

>DQ%GR%GN%J#'+O+PK +22-L SD%TTNUN%V'J#W+-L

#>A?X- (#V-3NT#VY+K 2K !D&UD%TT#Z5%'(#Z<Z5=#Z7V--7,:K V--

#>A?X- ['(F#V-3NT#VY+K 2K !D&UD%TT#Z5#JFI#N3+K #J6G'NV'#;5V)9-<+-\,K

#)+-7N5#,5N)+-5Z7##N7,)N-.,-K =#Z7V---7;K V--L]

! " '(F#/0++-

14 3 )/+82+,9208+:94/24+:;;

! " ^^

555 &(J' G%JF&' UDI!F'%E NV 4K948 IJ_

!"#"$ % &'()*(+)& ,-."/01!"2 3456$7 849:/7;$0/< 5/6 =06:!5. 90.=< )'>%? *"3;"=1".?@AAB CD E CF

Page 79: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"#$#% &!'()%*)+%'

!" Cp = Qp #!$%"! "&! '%()*!"+%$ %, -$ -*.!/0-+' '*%120! %, "&! 3!*#

Qp %, p4-#+' $2(/!015 6+7 - )%1+"+8! +$"!.!0 N 9 - :+0+'&*!" '&-0-'"!0

ψmodN -$# '%$1+#!0 "&! '%((2"-"+8! )0%3$+"! .0%2)

Y = YN,p = lim←−

m

(Z/NpmZ)∗

-$# +"1 .0%2) X = Homcont(Y,C×p ) %, ;'%$"+$2%2%1< p4-#+' '&-0-'"!01

;"&+1 +1 - Cp4-$-*="+' +! .0%2) -$-*%.%21 "% Homcont(R×+,C

×) ∼= C ;/=

s 7→ (y 7→ ys)<5 >&! .0%2) X +1 +1%(%0)&+' "% - 3$+"! 2$+%$ %, #+1'1

U = {z ∈ Cp | |z|p < 1}5>&! p4-#+' L4,2$'"+%$ L : X → Cp +1 - (!0%(%0)&+1 ,2$'"+%$ %$ X

'%(+$. ,0%( - p4-#+' (!-120! %$ Y 5

?5 !"#$%$&'"( )*%+&#

%, '%$1"02'"+$. "&!1! ,2$'"+%$1 +1 ,0%( "&! 1)!'+-* '0+"+'-* 8-*2!1 %,

'%()*!7 L4,2$'"+%$1 ;@&+'& -0! %,"!$ -*.!/0-+'9 -,"!0 - 12+"-/*! $%04

(-*+1-"+%$<5 !" 21 37 -$ !(/!##+$. ip : Q → Cp +$ %0#!0 "% '%$1+#!0

-*.!/0-+' $2(/!01 -1 p4-#+' $2(/!015

!"#$%& ?5?' ()& *+&#",, -&." /0,1.+2,'

ζ(s) =∏

l primes

(1− l−s)−1 =

∞∑

n=1

n−s (Re(s) > 1), ζ(1− k) = −Bk

k

,

@&!0! Bk -0! "&! A!0$%2**+ $2(/!01 .+8!$ /=

eBt =

∞∑

n=0

Bntn

n!=

t et

et − 1

.

B2" ,%0 c > 1 '%)0+(! "% p

ζ(c)(p)(−k) = (1− p

k)(1− ck+1)ζ(−k)

+*&!*) ?5C ;D2((!0<, 324 ",5 $2%5,2#+"% h(x) =∑n

i=0 αi xi ∈

Zp[x] 26&4 Zp 701) .)". x ∈ Zp =⇒ h(x) ∈ pmZp 2,& )"7

n∑

i=0

αi ζ(c)(p)(−i) ∈ pmZp (1.1)

>&+1 )0%)!0"= !7)0!11!1 "&! ,-'" "&-" "&! $2(/!01 ζ(c)(p)(−k) #!)!$#

'%$"+$2%21*= %$ k +$ "&! p4-#+' 1!$1!E

!"!##$"% &'(' 8&. k1, k2 ∈ N∗9 k1 ≡ k2 (mod(p− 1)pm−1)9 .)&,

ζ(c)(p)(−k1) ≡ ζ

(c)(p)(−k2) (modpm)

Page 80: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"# $"%&'( ') *'!+%,-*%.!/ p0 (.* L0)-!*%.'!+ 1

!"##"$ ! "#$%&" !' !()& h(x) = xk1 − x

k2.

%&''( '( )*#'&#+ ,-, " *+, &- ./ !0& 1&,,2)3'13 4'5*#,(6

Sk(N) =N−1∑

n=1

nk =

1

k + 1[Bk+1(N)−Bk+1] (1.2)

3 10 %0 Bk(x) = (x + B)k =∑k

i=0

(ki

)Bix

k−i " !0& 7&53'#,, +',/3'2

* (,8

!"#$%$&# '()( ./ 0#1 A 2# . !'&+#" 1'3'4'567.4 &6!5 7'!1.6!6!5 Zp

.8 . 74'8#" 892&6!5 .!" 4#1 h 2# . 3'8616:# 6!1#5#&- ;'!86"#& 1*# A<

892+'"94# Ch(Y,A) '( .44 4'7.44= 3'4=!'+6.4 (9!716'!8 '( "#5&# < h '!

Y >'( 1*# :.&6.24# yp : Y → Z∗p$ 1*# 7.!'!67.4 3&'?#716'!/@ 6! 3.&16794.&$

1*# A<892+'"94# C1(Y,A) 7'!86818 '( 4'7.44= 7'!81.!1 (9!716'!8 '! Y

A61* :.49#8 6! A- ( A = Cp 1*#!

∀h > 1 Ch(Y,A) ⊂ Cloc− an(Y,A) = {ϕ : Y → A | ϕ 4'7.44= .!.4=167} ⊂ C(Y,A),A*#&# C(Y,A) = {ϕ : Y → A | ϕ 7'!16!9'98}-

2/ B "681&62916'! Φ '! Y A61* :.49#8 6! . !'&+#" A<+'"94# V 68 .!

A<46!#.& +.3 Φ : C1(Y,A)→ V $ ϕ 7→∫

Yϕ dµ-

7/ B +#.89&# Φ : C1(Y,A)→ V 68 . 2'9!"#" "681&62916'!C |Φ(ϕ)|p <C|ϕ|p A*#&# C "'#8 !'1 "#3#!" '! φ-

"/ 0#1 h ∈ N∗- B! h<."+688624# +#.89&# '! Y A61* :.49#8 6! V 68

.! A<46!#.& +.3 Φ : Ch(Y,A)→ V A61* 1*# ('44'A6!5 5&'A1* 7'!"616'!C

('& .44 t = 0, 1, . . . , h− 1,∣∣∣∣∫

a+(Npm)

(yp − ap)tdΦ

∣∣∣∣p

= o

(p

m(h−t)).

('& m→∞-

94 A = Cp !0&3 (%%'5- 3: !' ;<=> (3- ;= ?@>A "#%0 ( *(+ Φ %(3

.& #3 B#&,/ &C!&3-&- !' !0& A2*'-#,& Cloc− an(Y,A) '4 ,'%(,,/ (3(,/! %

4#3%! '3" '3Y '4 !0& +(5(*&!&5 yp : Y → Z×p 8

!"#$"% D8E FG(H#5I& )*#&# #D6818 . 9!6E9# >2'9!"#"/ +#.89&# µ(c)

'! Z×p A61* :.49#8 6! Zp 897* 1*.1

p

xkdµ

(c) = ζ(c)(p)(−k), k ≥ 0

F#+.&G- J0&'5&* D8K " &B# L(,&3! !' J0&'5&* D8E F./ 3!&:5(! '3 '4

h (:( 3"! µ(c))8

93 !0& +5&"&3! +(+&5 1& %'3"!5#%! p2(- % - "!5 .#! '3" '3 Y 1 !0

L(,#&" 3 Cp "!(5! 3: 45'* - "!5 .#! '3" 1 !0 L(,#&" 3 "+(%&" '4 *'-#,(5

4'5*"8

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!"#$#% &!'()%*)+%'

!" p#$%&' L#()*'+&,* ,( -).,+$#/",0,1%+ ! "#$ %$&'%'&(# ) *+,)" ',

Lp : X → C×p - .$, /0

Lp(x) :=

∫Yxdµ

(c)

1− x(c)c, x ∈ X (1.3)

12 "# 3 ! ,-4$ ! %(4$ ('4$ 3" x = y−1p 56 3,7 "#$ *+,)" ', 189:5 !

,7$($,7$," '* 3 )#' )$ '* c; *'& 344 < & )#4$" )#3&3)"$&! χ mod pm6

χ : Z×p → Q× → C×p ',$ #3!

Lp(χykp) = (1− χ(p)pk)L(−k, χ) ∈ ip(Qab).

=, -$,$&34 $.$&0 7 !"& /+" ', ', Y 2 "# .34+$! , Zp 7$>,$! 3 p?37 )

L?*+,)" ', 1"#$ ,',?@&)# %$7 3, A$44 , "&3,!*'&% '* µ5;

Lµ : X → Cp, µ(x) =

Y

x(y) dµ.

=* D(s, χ) =∑

n≥1 χ(n)cnn−s

! 3, 3& "#%$" )340 7$>,$7 )'%(4$B L?

*+,)" ', "2 !"$7 2 "# 3 < & )#4$" )#3&3)"$& χ 2 "# "#$ (&'($&"0 D∗(−k, χ) ∈Q *'& 3, ,>, "$ !$" '* )'+(4$! k, χ 13,7 2 "# 3 ,'&%34 C3" ', D∗(s, χ)'/"3 ,$7 /0 %+4" (40 ,- D(s, χ) 2 "# )$&"3 , $4$%$,"3&0 *3)"'&!56 ',$

)',!"&+)"! +!+340 "#$ )'&&$!(',7 ,- p?37 ) L?*+,)" ', L = LµD !"3&"?

,- *&'% "#$ 34-$/&3 ) !($) 34 .34+$! D∗(−k, χ) , !+)# 3 230 "#3"

LµD(χykp) =

Y

χykp dµD = ip(D∗(−k, χ)),

3,7 "#$ $B !"$,)$ '* !+)# 3 %$3!+&$ ! $D+ .34$," "' -$,$&34 C$7 E+%?

%$& )',-&+$,)$! *'& "#$ !($) 34 .34+$! D∗(−k, χ)9 F'&%+43! *'& "#$!$

.34+$! )'+47 /$ D+ "$ )'%(4 )3"$7 3,7 ',$ +!$! .3& '+! %$"#'7! ,

'&7$& "' '/"3 , !+)# )',-&+$,)$! 14 G$ "#$ *'&%+43! '* "0($ 189H5 ,

"#$ (&''* '* "#$ I#$'&$% 859 F'& %'7+43& *'&%! ',$ +!$! -$'%$"& )

"''4! 4 G$ %'7+43& !0%/'4!6 )'," ,+'+! *&3)" ',!6 "#$ J3,G ,?K$4/$&-

%$"#'7 $")96 1.' & LA3,M:N6 LJ3OHN6 LA3,?P3N6 LPQRAN59

S$ (&'('!$ 3 ,$2 %$"#'7 2# )# (&'7+)$! 3 *3% 40 '* p?37 ) %$3?

!+&$! !"3&" ,- *&'% 3 7 !"& /+" ', Φ ', Y 2 "# .34+$! , 3 !+ "3/4$

.$)"'& !(3)$ M =⋃

m≥0M(Npm) '* %'7+43& *'&%!T "# ! *3% 40 '*

p?37 ) %$3!+&$! µα,Φ,f ! (3&3%$"& C$7 /0 ,',?C$&' $ -$,.34+$! α ∈Cp 6= 06 '* "#$ '($&3"'& U '* @"G ,?Q$#,$& ', M6 3,7 /0 3 (& % " .$

)+!( $ -$,*'&% f 2 "# 3, 3!!') 3"$7 $ -$,.34+$ α 6= 0 1', 3, $3!0

%'7 >)3" ', f0 '* f 3! 3, $ -$,*+,)" ',59 U,$ !30! "#3" 3 (& % " .$

)+!( $ -$,*'&% f =∑

n≥1 a(n, f)e(nz) ∈ Sk(Γ0(N), ψ) ⊂ M 12#$&$

(e(nz) = exp(2πinz))5 ! 3!!') 3"$7 "' 3, $ -$,.34+$ α * "#$&$ $B !"! 3

)+!( *'&% f0 = f0,α =∑

n≥1 a(n, f0)e(nz) !+)# "#3" f0 | U = αf0 3,7

f0 | T (ℓ) = a(ℓ)f0 *'& 344 (& %$ ,+%/$&! ℓ ∤ Np5

=, "#$ '&7 ,3&0 )3!$ |α|p = 1 3 )',!"&+)" ', '* !+)# %$3!+&$! )'+47

/$ '/"3 ,$7 *&'% V 73W! 7$%('"$," e = limr→∞ U(p)r!

1!$$ V 73

LV X:N5 3)" ,- ', p?37 ) %'7+43& *'&%!T "#$ %3-$ '* e ! )',"3 ,$7 ,

Page 82: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"# $"%&'( ') *'!+%,-*%.!/ p0 (.* L0)-!*%.'!+ 1

!"#!$ %& Mord ⊂ M '( )*+,& -+.&*!+'* /0,1& '2-+* 23 $ 2, '( M45

61+%1 +! 7*'6* ,' #& 8&*&2 ,&- #3 %&2, +* %9 !!+% 9 .'-"9 2 ('2.!:

;*& '#, +*! µα,Φ,f = ℓf (eΦ) !" # $%&'#()* )&+*#" !", ℓf ∈ Mord ∗- .+

# ,!"* /*+*"#) 0#$* 12*+ α 6= 0 !+* 0!%)3 &,&'#'* '2&$ ,*'2!3 %$&+/

&+$'*#3 ! Mord'2* 4"&,#"5 602#"#0'*"&$'&07 $%($4#0* Mα ⊂ M ! U

612&02 &$ #)$! ! 8+&'* 3&,*+$&!+7-

9- !"#$!%&#!'(" )!#* +,-&." !( /'0&-,$ 1'$/"

:*' A (* #+ #)/*("#&0 *;'*+$&!+ K ! Qp !" &'$ "&+/ ! &+'*/*"$

OK - :*' %$ 8; #+ *,(*33&+/ ip : Q → Cp #+3 )*' Mk(Γ1(N);A)<Mk(Γ0(N)ψ;A) (* '2* $%(,!3%)*$ ! A[[q]] /*+*"#'*3 (5 '2* q=*;4#+$&!+$

f =∑

n≥0 an(f)qn ∈ Mk(Γ1(Np

m),Q) ! 0)#$$&0#) ,!3%)#" !",$

1&'2 #)/*("#&0 >!%"&*" 0!*?0&*+'$ an(f) ∈ Q &+ i−1p (A)- @+* 4%'$

M = ∪m≥0M(Npm)< 12*"* M(Npm) = Mk(Γ1(Npm);A)< #+3 S =

∪m≥0S(Npm) '2* A=$%(,!3%)* ! 0%$4 !",$-

!"#$%&' () *+',-+./,+(0' 1+,2 3"%/&' +0 M4

:*' Φ : C1(Y,Cp)→M (* # 3&$'"&(%'&!+ !+ A 1&'2 B#)%*$ &+ M-

#7 +'&0',&+0 *+',-+./,+(0'4 >!" # 0!,4)*; +%,(*" s ∈ C #+3 a, bmodN4%' 6(5 #+#)5'&0 0!+'&+%#'&!+7C

Eℓ,N(z, s; a, b) =∑

(cz+ d)−ℓ|cz+ d|−2s (0 6= (c, d) ≡ (a, b)modN) .

D'#"'&+/ "!, '2&$ $*"&*$ < !+* !('#&+$ '2* !))!1&+/ E&$*+$'*&+ 3&$'"&=

(%'&!+$C 4%' s = −r< 0 ≤ r ≤ ℓ− 1<

Er,ℓ,N(a, b) :=N

ℓ−2r−1Γ(ℓ− r)

(−2πi)ℓ−2r(−4πy)r∑

amodN

e(−ax/N)Eℓ,N(Nz,−r;x, b)

= εr,ℓ,N(a, b) + (4πy)−r∑

0<dd′,d≡a,d′≡bmodN

sgn d· dℓ−2r−1W (4πdd′y, ℓ− r,−r)

· e(dd′z) ∈Mr′,ℓ(N), 12*"* r′ = max(r, ℓ− r − 1) ,

W (y, ℓ−r,−r) =r∑

j=0

(−1)j(r

j

)Γ(ℓ− r)

Γ(ℓ− r − j)y

r−j,

ζ(s; a,N) =∑

n≥1n≡a(mod N)

n−s,

εr,ℓ,N(a, b) =(−4πy)sΓ(ℓ+ s)

Γ(ℓ+ 2s)δ

(b

N

)ζ(1− ℓ− 2s; a,N)

∣∣∣s=−r

+Γ(ℓ+ 2s− 1)

(4πy)ℓ+s−1Γ(s)δ

(a

N

)[ζ(ℓ+ 2s− 1; b,N) + (−1)ℓ+2sζ(ℓ+ 2s− 1;−b,N)

]∣∣∣s=−r

F2*$* $*"&*$ #"* &+ /*+*"#) +*#")5 2!)!,!"42&0 ,!3%)#" !",$ 6$** D*0=

'&!+ G7 &+ $4#0*$ Mr′,ℓ(N2)< 12*"* r

′ = max(r, ℓ− r− 1) (%' &+ 0*"'#&+

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!"#$#% &!'()%*)+%'

!"#" $%#& !'# %()(*('+%, - #./. ℓ ≥ 3- r = 0 (' r = l − 10 !12 $%#"#

"#',#" +'(23 # 2,"$',43$,(1" (1 Y × Y 5,$% 6!)3#" ,1 M7

Er,ℓ((a+ (Npm)× (b+ (Npm)) := Er,ℓ,Npm(a, b) ∈Ml(N2p2m).

40 !"#$!% &'()%!" *'"&+, 8(' !1& f =∑

n≥0 an(f)qn ∈ Mk(Γ1(Np

m)(1# +3$"

Φf (a+ (Npm)) :=∑

n≥0n≡a( mod pm)

an(f)qn ∈Mk(Np

2m)

0 !"#$!% #-.#! +."$.+ 9!)"( 5,$% ! "+%#', !) +()&1(*,!)0- "## :;,<=>.

/.&!"0+, ,0 8(' !1& ?,', %)#$ %!'! $#' χ mod pm6,#5#2 !" ! @31 $,(1

(1 Y 5,$% 6!)3#" ,1 ip(Qab)- $%# ,1$#/'!)

Y

χ(y) dΦf = Φf (χ) =∑

n≥0

χ(n)an(f)qn ∈Mk(N

2p2m)

(,1 ,2#" $%#1 5,$% $%# $5,"$#2 *(23)!' @('* fχ.

,,0 A%# 2,"$',43$,(1" !0- 40- 0 !'# 4(312#2 9!@$#' ! '#/3)!',"!$,(1 (@

$%# (1"$!1$ $#'* ,1 !00 5,$% '#"+# $ $( $%# pB!2, 1('* (1 M =∪pmMk(Γ1(Np

m), A) ⊂ A[[q]] /,6#1 4& |g|p = supn |a(n, g)|p @(' g =∑n≥0 a(n, g)g

n ∈Mk(Γ1(N), A) 0.

,,,0 C$!'$,1/ @'(* 2,"$',43$,(1" !0- 40- 0 (1# !1 (1"$'3 $ *!1& ($%#'

2,"$',43$,(1"- @(' #D!*+)#- 3",1/ $%# (+#'!$,(1 (@ (16()3$,(1 (1 Y 9!"

,1 :;,<=>- 5%#'# $%# !"# (@ $%# (16()3$,(1 (@ ! $%#$! 2,"$',43$,(1 5,$%

!1 E,"#1"$#,1 2,"$',43$,(1 5!" (1",2#'#20.

;(5#6#' 5# 1##2 2,"$',43$,(1" µ 5,$% " !)!' 6!)3#" 9,1 Zp (' ,1 Cp0

5%, % 5# (1"$'3 $ "$!'$,1/ @'(* 2,"$',43$,(1" Φ 5,$% 6!)3#" ,1 M.

A%," 5,)) 4# 2(1# ,1 $5( "$#+"7

1-. 2"+# +#.3 ," $%# +!""!/# @'(* M $( ! #'$!,1 F1,$#B2,*#1",(1!)

+!'$ M◦ ⊂ MG (1# 3"#" ! "3,$!4)# +'(H# $(' π :M→M◦"3 % $%!$

(1# !1 I##+ $'! I (@ 2#1(*,1!$('" 5%#1 $%# )#6#) (@ *(23)!' @('*"

/'(5".

1-. +.4'5( +#.3 ," $( !++)& ! "3,$!4)# ),1#!' @('* $( $%# 2,"$',43$,(1

π(Φ) ,1 ('2#' $( (4$!,1 $%# "+# ,!) 6!)3#" (@ $%# LB@31 $,(1" !" #'$!,1

pB!2, ,1$#/'!)" !/!,1"$ $%# *#!"3'# π(Φ).

J. !"#$ #$%&' &"()%*$("# (+ ,!+!$% -!.%+#!(+/0 #12#&/*%#

A%# F'"$ ,2#! 5(3)2 4# $( 3"# #-. #"!4. '3."!#'"

TrNpm

N f =∑

γ∈Γ0(Npm)\Γ0(N)

f |k γ.

K1# (4$!,1" !@$#' ! 1('*!),"!$,(1 ! +'(H# $('

π(f) = [Γ0(N) : Γ0(Npm)]−1TrNpm

N f

5%, % ," 5#)) 2#F1#2 43$ 5%, % ,1$'(23 #" ,1! #+$!4)# 2#1(*,1!$('".

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!"# $"%&'( ') *'!+%,-*%.!/ p0 (.* L0)-!*%.'!+ 1

!" #"$%&' ('") (# *% +#" *!" %,"-)*%- U = Up %. /*0(&12"!&"-

3!($! )$*# %& M )&' %& S 45 g | U =∑

n≥0 a(pn, g)qn6 3!"-" g =∑

n≥0 a(n, g)qn ∈M ⊂ A[[q]]6 a(n, g) ∈ A7

2"* α ∈ Cp 4" ) &%&18"-% "(9"&:);+" %. U = Up %&M6 )##%$()*"' *% )

,-(<(*(:" $+#, "(9"&.%-< f =∑

n≥1 a(n, f)e(nz) ∈ Sk(Γ0(N), ψ) ⊂M7

=& *!" %-'(&)-5 $)#" |α|p = 1 *!"-" ">(#*# ) p1)'($ $%&#*-+$*(%& %. ),-%?"$*%- π 9(:"& 45 @(')A# ('"<,%*"&* e = limr→∞ U(p)

r!)$*(&9 %& p1

)'($ <%'+;)- .%-<#6 3!%#"# (<)9" (# (& *!" B&(*" '(<"&#(%&); #+4#,)$"

Mord ⊂M CD*!" %-'(&)-5 ,)-* %.MEF7 !"& %&" 9"*# µα,Φ,f = ℓf (eΦ)3(*! ) #+(*)4;" p1)'($ ;(&")- .%-< ℓf ∈Mord ∗

7

G7 !"# $%!&'()$'*%!

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Φ %& Y 3(*! :);+"# (& ) #+(*)4;" :"$*%- #,)$"

M = ∪m≥0

M(Npm)

%. <%'+;)- .%-<#6 ) .)<(;5 µα,Φ,f %. p1)'($ <")#+-"# %& Y ,)-)<"*-(8"'

45 &%&18"-% "(9"&:);+"# α )##%$()*"' 3(*! ,-(<(*(:" $+#, "(9"&.%-<#

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.)$* (* +#"# %&;5 #*)&')-' ;(&")- );9"4-) $%&#('"-)*(%&# (& *!" B&(*"

'(<"&#(%&); ,-(<)-5 C$!)-)$*"-(#*($F #+4#,)$" %. *!" "(9"&:);+" α7

!"#$%$&# '()( ! "#$ % α ∈ A &'( M(α) = Ker(U − αI) ()* A+

,'-.#/'0* #1 M #1 *23*%1'%4(2#%, #1 ()* A+02%* $ #&*$ (#$ U 5#1 ()*

*23*%6 0'* α!7

-! 8'( Mα = ∪n≥1Ker(U − αI)n ()* α+&$2. $9 54) $ 4(*$2,(24 !

A+,'-.#/'0* #1 M7

4! 8'(Mα(Npm) =Mα∩M(Npm):M(α)(Npm) =M(α)∩M(Npm)7

*+&,&-$%$&# '(.( ;*( A = Qp7 <*=%* N0 = Np: ()*% Um(M(N0p

m)) ⊂M(N0)7

8$##1 .%;;%3# .-%< ) 0&%3& .%-<+;) HI"JKL6

Um = p

m(k/2−1)WN0pm TrN0pm

N0WN0 ,

3!"-" g|kWN(z) = (√Nz)−k

g(−1/Nz) : M(N) → M(N) *!" <)(&(&:%;+*(%& %. ;":"; N C%:"- *!" $%<,;"> &+<4"-#F7

*+&,&-$%$&# '(/( ;*( A = Qp %/ 0*( α -* %#%+>*$# *0*.*%( #1 A?

)*%4*

! (Uα)m :Mα(N0pm)

∼−→Mα(N0pm) 2, % 2%6*$(2-0* Qp+02%* $ #&+

*$ (#$7

-! @)* Qp+6*4(#$ ,'-,& 4* Mα(N0pm) =Mα(N0) 2, 2%/*&*%/*%( #1

m7

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!"#$#% &!'()%*)+%'

! "#$ πα,m : M(N0pm) → Mα(N0p

m) $%# &'(') &* +,(-# $(, ('$(

$%# α.+,)/&,0 1231+& # (4 U 5(4 $%# 6#,'#* Ker πα,m =⋂

n≥1 Im(U −αI)n = ⊕β 6=αMβ(N0p

m)!7 $%#' $%# 4(**(8)'9 :)&9,&/ )1 (//2$&$);#

M(N0pm)

πα,m//

Um

��

Mα(N0pm)

≀(Uα)m

��

M(N0) πα,0

// Mα(N0)

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/!4/.0("

⋃n≥1Ker(U − αI)n %0/ #%" 8"&*"3

⋂n≥1 Im(U − αI)n 0*' )#

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M(N0) ($)*()'"/ :)#% πα,0 :M(N0)→Mα(N0) 4"(0!/" )#/ )-0>" )/⋃

n≥1

Ker(U − αI)n ∩M(N0) =⋃

n≥1

Ker(U |M(N0) −αI)n,

0*' #%" 8"&*"3 )/

n≥1

Im(U − αI)n ∩M(N0) =⋂

n≥1

Im(U |M(N0) −αI)n.

?< !"#$!%&#!'(" )!#* +,-&." !( p/,0!1 2'0&-,$ 3'$2"

@"# g =∑

n≥0 a(n, g)gn ∈ Mk(Γ1(N), A) #%"* |g|p = supn |a(n, g)|p

)/ 0 :"332'"1*"' p20')( *$&- $*

M = ∪m≥0Mk(Γ1(Npm), A) ⊂ A[[q]].

@"# !/ '"*$#" 4+M #%" ($-.3"#)$* $,M )* A[[q]] :)#% &"/."(# #$ #%)/*$&-< @"# V 4" 0 *$&-"' A2-$'!3"<

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Y 8)$% ;&*2#1 )' M )1 9);#' 30

∫YϕΦα := (Uα)−m

πα,0

(( ∫Yϕ dΦ

)|

Um)∈Mα

4(, &** ϕ ∈ C1(Y,A) &': 4(, &** pm

12@ )#'$*0 *&,9# 1( $%&$

∫Yϕ dΦ )1 & A')$# *)'#&, (/3)'&$)(' )' M(N0p

m)!=<2$ Φ(a+(Npm)) =

∫Yχa+(Npm)dΦ 8%#,# χa+(Npm) :#'($#1 $%# %&,.

& $#,)1$) 42' $)(' (4 &' (+#' 1231#$ a+(Npm) ⊂ Y B %#' # $%#,# #C)1$1

m′ ∈ N 12 % $%&$

Φ(a+ (Npm)) = Φ(χ(a+(Npm))) ∈M(Npm′+1),

&': $%# α.+,)/&,0 +&,$ Φα(4 Φ )1 :#A'#: 30

Φα(a+ (Npm)) = (Uα)−m′[πα,0(Φ(a+ (Npm)) | Um′

]. (5.1)

Page 86: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"# $"%&'( ') *'!+%,-*%.!/ p0 (.* L0)-!*%.'!+ 1

! !"# $%&'(&)*

"#$ Φ %# & %'()*#* *+,$-+%($+') .+$/ 0&1(#, +) M &)* α &) #+2#)3

0&1(# '4 U ') M!

+%&'(&) !5, ! |α|p = 1 "#$% Φα&' ( )*+%,$, ,&'"-&)+"&*% *% Y .&"#

/(0+$' &% Mα1(% A23*,+0$ *! 4%&"$ -(%567

+%&'(&) !6, 8+99*'$ "#(" !*- (00 m ∈ N∗(%, !*- t = 0, 1, . . . , hκ−1

a+(N0pm)

ytp dΦ ∈M(N0p

κm) 1.&"# h = [ordp α] + 16 (6.1)

!*- ( '+&"()0$ %*%2%$:("&/$ &%"$:$- κ 1"#$ ;*%,&"&*% *! "#$ 3*,+0(-&"<

*! ( '+&"()0$ 0$/$067 =#$% "#$-$ $>&'"' (% hκ2(,3&''&)0$ ,&'"-&)+"&*% Φα

*% Y .&"# /(0+$' &% Mα'+;# "#(" !*- (00 m

′'+?;&$%"0< 0(-:$ 1.&"#

m′ ≥ κm6 (%, !*- (00 t = 0, 1, . . . , hκ − 1 *%$ #('

a+(N0pm)

ytpdΦ

α = (Uα)−m′πα,0

((∫

a+(N0pm)

ytpdΦ

)| Um′

).

@$3(-57 74 A = Qp $/#) $/# 8')*+$+') '4 $/# $/#'-#9 : +, #;(+0&1#)$ $'∫Yχy

tpdΦ ∈ M(N0p

mκ) 4'- &11 <+-+8/1#$ 8/&-&8$#-, χmodN0pm

=.+$/

0&1(#, +) A> %#8&(,#

a+(N0pm)

ytdΦ =

1

ϕ(N0pm)

χmodN0pm

χ−1(a)

Y

χytp dΦ.

A-**! *! =#$*-$3 B7C7 7$ ,(?8#, $' ,/'. $/&$ 4'- & 8'),$&)$ C > 0&)* 4'- &11 $/# '@#) ,(%,#$, '4 $A@# a + (Npm) ⊂ Y ')# /&, |Φα(a +(Npm))|p ≤ C! BA '(- &,,(9@$+') $/#-# #C+,$, m

′ ∈ N ,(8/ $/&$

Φ(a+ (Npm)) = Φ(χ(a+(Npm))) ∈M(Npm′+1),

$/#) $/# α3@-+9&-A @&-$ Φα'4 Φ +, 2+0#) %A =D!5>E

Φα(a+ (Npm)) = (Uα)−m′[πα,0(Φ(a+ (Npm)) | Um′

].

F) $/# α3@-+9&-A ,(%,@&8# Mα ⊂ M ')# /&, Uα = αI + Z 4'-

& )+1@'$#)$ p3+)$#2-&1 '@#-&$'- ZE 4'- &11 g =∑

n≥0 a(n, g)qn ∈ MG

g | U =∑

n≥0 a(pn, g)qnG |g | U |p ≤ |g|p &)* |g | Z|p ≤ |g|p!

H#C$ &11 $/# 4()8$+'), Φα(a+(Npm)) = α−m(α(Uα)−1)m [πα,0(Φ(a+ (Npm)) | Um]

&-# %'()*#* %#8&(,# |α−1|p = 1 &)*

(α(Uα)−1)m = (α−1Uα)−m = (I + α−1Z)−m =

n−1∑

j=0

(−mj

)α−jZ

j.

(6.2)

Page 87: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%$& '"()*&+*,&(

!""# "# $%&"!&' ()*) !" ordp α > 0 #$% &!" h = [ordp α] + 1' (!$)!*$! +#, "* -*.$%

a+(N0pm)

(yp−ap)tdΦα = α

−mκ(α(Uα)−1)mκ

[πα,0

(∫

a+(N0pm)

(yp − ap)tdΦ

)| Uα

].

/+! $*01, *2 "+! *3!0#"*0,

(α(Uα)−1)κm = (α−1Uα)−κm =n−1∑

j=0

(−κm

j

)α−jZ

j

#0! .$42*01&5 -*.$%!% -5 C1 > 0 #, n = dimMα%*!, $*" %!3!$% *$

m' (!$)! 2*0 #&& t = 0, 1, . . . , hκ − 1 *$! +#,

∣∣∣∫

a+(N0pm)

(yp − ap)tdΦα

∣∣∣p≤ C1· |α|−mκ

p ·Maxy∈a+(N0pm) |yp − ap|t· |Φ|p

≤ C1·C2|pm|t−ordp α·κ = o(pm(hκ−t)), h > ordp α

#, m→∞ 6-!)#.,! |Φ|p ≤ C2 #$% |α|−mp = p

m ordp α7'

8' !"#$% &'$'('#)&*+ p,"-*+ ('-.$"# /'#(0 '/ 1%)! r ≥ 0

!" ., ,3!)4#&49! ., $*: "* "+! )#,! :+!$ A 4, !4"+!0 #$ #&;!-0#4)

!<"!$,4*$ K *2 Qp *0 "+! 04$; OK *2 4$"!;!0, *2 K' =4< #$ !1-!%%4$;

ip : Q → Qp = Cp' !" r -! # $*$>$!;#"4?! 4$"!;!0 #$% q, ω ":* ?#04>

#-&!, 6*?!0 "+! )*13&!< $.1-!0, q = e(z) = e2πiz

@ ω = 4πy = 4π Im(z)@z ∈ C7' A$ "+! 04$; A[[q]][ω−1] &!" ., )*$,4%!0 "+! A[[q]]>,.-1*%.&!,

Pr(A) ={g =

∑rj=0 ω

−jgj :4"+ gj =

∑n≥0 a(j, n, g)q

n ∈ A[[q]]}' B*$>

,4%!0 #&,* 2*0 #$5 3*,4"4?! 4$"!;!0 a "+! )*13&!< ?!)"*0 ,3#)!, *2 $!#0&5

+*&*1*03+4) 2.$)"4*$, 6,!! C(4DEF7 Qr,a ={∑r

j=0 Im(4πz)−jgj(z) :4"+

gj =∑

n≥0 a(j, n, g)e(nz/a)}#$% 3." Qr = ∪a≥1Qr,a'

2&!'#!( 8'G3 +, $%& A-'"./0& Mr,k(Γ1(N), A) ⊂ A[[q1]][ω−1] "#

'"./0+! #"!'1 "# 234& r ≥ 0 +5. "# 6&78%2 k ≥ 1 #"! Γ1(N) 71 8&5&!+2&.93 2%& 1&!7&1 g ∈Mr,k 672% +08&9!+7: :"&;:7&521 a(j, n, g) ∈ ip(Q) 1/:%2%+2 2%& :"!!&14"5.&52 :"'40&< 1&!7&1 =.&5"2&. +01" g,

g = i−1p (g) =

r∑

j=0

Im(4πz)−j∑

n≥0

i−1p (a(j, n, g))e(nz) ∈ Qr,1

1+271#3 2" 26" :"5.727"51> ∀γ ∈ Γ1(N)? g|kγ = g +5. ∀γ ∈ SL2(Z)?g|kγ ∈ Qr)

9, /2Mr,k =Mr,k(N, p) = ∪m≥0Mr,k(Npm)? 6%&!&Mr,k(Np

m) =Mr,k(Γ1(Np

m), A))

Page 88: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

!"# $"%&'( ') *'!+%,-*%.!/ p0 (.* L0)-!*%.'!+ 11

! !"#$%&' (&"% ")"%*+,- ,.&).+&,) .&(,&. /0 1&,23+

ℓ > 0

"#$$ %&'()*+, -./ s ∈ C '01 a, bmodN 1$20$ "'# 30 4$563.0 7+ 68$

93#$0#6$30 #$/3$#:

Eℓ,N(z, s; a, b) =∑

(cz+ d)−ℓ|cz+ d|−2s (0 6= (c, d) ≡ (a, b)modN) .

46'/630; </.= 683# #$/3$# .0$ .>6'30# 68$ <.??.@30; 93#$0#6$30 13#6/3A

>B63.0 @368 C'?B$# 30 0$'/?D 8.?.=./E835 <./=# "<./ '?? s = −r @368

0 ≤ r ≤ ℓ− 1+:

Er,ℓ,N(a, b) :=N

ℓ−2r−1Γ(ℓ− r)

(−2πi)ℓ−2r(−4πy)r∑

amodN

e(−ax/N)Eℓ,N(Nz,−r;x, b)

= εr,ℓ,N(a, b) + (4πy)−r∑

0<dd′,d≡a

d′≡b mod N

sgn d· dℓ−2r−1W (4πdd′y, ℓ− r,−r)

· e(dd′z) ∈Mr′,ℓ(N2),

" !F+

@8$/$ r′ = max(r, ℓ− r − 1)G

W (y, ℓ−r,−r) =r∑

j=0

(−1)j(r

j

)Γ(ℓ− r)

Γ(ℓ− r − j)y

r−j, ζ(s; a,N) =

n≥1n≡a(mod N)

n−s,

εr,ℓ,N(a, b) =(−4πy)sΓ(ℓ+ s)

Γ(ℓ+ 2s)δ

(b

N

)ζ(1− ℓ− 2s; a,N)

∣∣∣s=−r

+Γ(ℓ+ 2s− 1)

(4πy)ℓ+s−1Γ(s)δ

(a

N

)[ζ(ℓ+ 2s− 1; b,N) + (−1)ℓ+2sζ(ℓ+ 2s− 1;−b,N)

]∣∣∣s=

H! 4,.+(,56+,/). 1,+3 7"%6&. ,) )&"(%* 3/%/#/($3,- p8"9,-

#/96%"( 0/(#. /0 +*$& r ≥ 0

I$6 g =∑r

j=0 ω−j

∑n≥0 a(j, n, g)q

n ∈Mr,k ⊂ A[[q]][ω−1]! JB6 |g|p =supn,j |a(j, n, g)|p! K0$ 8'# ' pA'135 0./= .0 Mr,k!

I$6 α >$ '0 $3;$0C'?B$ .< U .0Mr,kG g|Um = pm(k/2−1)

∑u mod pm g|

(1 u0 pm

)=

p−m

∑umod pm g

(z+upm

)G

Im(z + u

pm

)=Im z

pm

=⇒ g|Um =k∑

j=0

ω−jp

mj∑

n≥0

a(j, pmn, g)qn

"'0 306$;/'? .E$/'6./ .0 Mr,k+!

!"#$%$&# '()( ! M(α)r,k = Ker(U − αI)"

#! Mαr,k =

⋃n≥1Ker(U − αI)n"

$! Mαr,k(Np

m) =Mr,k(Npm) ∩Mα

r,k%

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! "#$%$& '"()*&+*,&(

!"#$"% !"& ! "#$ %% m ≥ 1 &'( A)*#+,%(Mαr,k(N0p

m) =Mαr,k(N0)

-. #/ 01-&( $ 12 1+ -& +#(. 1#& +(3(1+ #1 m4

5! 6'( /#%%#7-18 +- 8$ * -. 9#**,& &-:( ;/#$ A = Qp!

Mr,k(N0pm)

πα,m//

Um

��

Mαr,k(N0p

m)

≀(Uα)m

��

M(N0) πα,0

// Mαr,k(N0)

;πα,m -. &'( 3$#<(9&#$ #1&# &'( α)3$-* $= .,5.3 9( 7-&' &'( 2($1(%⋂n≥1 Im(U − αI)n ∩Mr,k(N0) ;(>, % &# &'( +-$(9& .,* #/ %% &'( #&'($

3$-* $= .,5.3 9(.? πα,m = Rα,m(U) 7-&' .,-& 5%( 3#%=1#*- % Rα,m ∈A[x] .(( @$#3#.-&-#1 A4B!4

!"#$%$&# '()( C(& α ∈ A 5( 1#1)D($# (-8(1: %,( #/ &'( #3($ &#$ U

#1 Mr,k 1+ Φ : C1(Y,A) →Mr,k +-.&$-5,&-#14 6'( α)3$-* $= 3 $&

Φα : C1(Y,A)→Mαr,k #/ Φ -. 8-:(1 5=

Φα(ϕ) = U−m

[πα,0U

m(Φ(ϕ)]∈Mα

r,k

/#$ %% m .,E9-(1&%= % $8( ; :(9 Φ(ϕ) ∈Mr,k(N0pm)!4

#$% &%'()*)+( ), )(&%-%(&%(* +. *$% /$+)/% +. m 01,,23%& ,24/)%(*56

5178%9 :6 ;7+-! !"< :9!

!"#$"% !=& C(& |α|p = 1 1+ Φ 5#,1+(+ +-.&$-5,&-#1 7-&' : %,(. -1

&'( A)*#+,%( Mr,k #/ p) +-9 1( $%= '#%#*#$3'-9 *#+,% $ /#$*.4 6'(1

&'( +-.&$-5,&-#1 Φα+(01(+ -1 F4B -. %.# 5#,1+(+4

@$##/4 >* ), )&%(*)/15 *+ *$1* +. #$%+7%3 ?!@ 0)( A$)/$ *$% $+5+3+7-$)/

/1,% A1, *7%1*%&9!

@B! h'()%*++*,-" )*+.$*,/.*#0+&

C%* Φj : C1(Y,A) → Mr,k :% 1 .13)56 +. &),*7):2*)+(, 0(+( (%/D

%,,17)56 :+2(&%&< j = 0, 1, . . . , r∗< r∗ ≥ 1)! E+7 1(6 +-%( ,2:,%*

a+ (Npm) ⊂ Y -2* Φj(a+ (Npm)) = Φj(χa+(Npm))!

!"#$"% @B!@& C(& 0 < |α|p < 1 1+ h = [ordp α] + 14 G,33#.( &' &

&'($( (H-.&. κ ∈ N∗.,9' &' & /#$ %% j = 0, 1, . . . , hκ − 1 1+ /#$ %%

m ≥ 1 #1( ' . Φj(a + (N0pm)) ∈ Mr,k(N0p

mκ) ;&'( %(:(% 9#1+-&-#1!4

G,33#.( 1(H& &' & /#$ t = 0, 1, . . . , hκ − 1 1+ /#$ %% a + (Npm) ⊂ Y

#1( ' .

|Uκm

t∑

j=0

(t

j

)(−ap)

t−jΦj(a+ (Npm))|p ≤ C|pm|tp = Cp−mt (10.1)

7-&' .,-& 5%( 9#1.& 1& C > 0 ;&'( +-:-.-5-%-&= 9#1+-&-#1!4 6'(1 &'($(

(H-.&. 1 hκ) +*-..-5%( *( .,$( Φα : Chκ(Y,A) →Mαr,k ⊂ Mr,k .,9'

&' &

∫a+(N0pm)

yjpdΦ

α = Φαj (a+ (N0p

m)) ;/#$ j = 0, 1, . . . , hκ − 1!4

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!"# $"%&'( ') *'!+%,-*%.!/ p0 (.* L0)-!*%.'!+ 12

!""#$ ! "#$%&" !' (&)*+, !-& %'./*!*'. '+ 0)'1!- 2343 /55 +') Φαj (a+

(N0pm)) ∈ Mr,k(N0p

mκ)4 6.& -7" U = αI + Z8 Zn = 0 '. Mα

r,k(N0)8n = rkAMα

r,k(N0pm;A)4

6. !-& '!-&) -7./ 9, !-& %'./*!*'." '+ !-& !-&')&: 1& -7(&

a+(N0pm)

(yp − ap)tdΦα =

t∑

j=0

(t

j

)(−ap)

t−jΦαj (a+ (N0p

m))

= α−mκ

αmκ(Uα)−mκ

[πα,0U

(t∑

j=0

(t

j

)(−ap)

t−jΦj(a+ (N0pm))

)].

;-& '<&)7!')" α−1(Uα)−mκ =

∑n−1i=0

(−mκ

i

)(α−1Z)i 7)& #.*+'):=, 9'#./&/

9, 7 %'."!7.! C1 > 0 -&.%& !-& %'./*!*'. 23>435 *:<=*&"

∣∣∣∣∫

a+(N0pm)

(yp − ap)tdΦα

∣∣∣∣p

≤ C·C1|α|−mκ

p |pm|tp = o(pm(hκ−t))

1-&. m → ∞ 9&%7#"& |α|p = |p|ordp α8 ordp α < h8 |pm|−κ ordp α

p =o(pmκh)4

334 !" #"$%&' #(")* +)),-$+(-%& %. + #/-(+0," ,-&"+1

.%12

?&! α ∈ Q ⊂ C 9& 7 .'.@A&)' &*0&.(7=#& '+ U '. Mr,k(C) 7""'%*7!&/

1*!- 7 <)*:*!*(& %#"< &*0&.+'): f ∈ Sk(Γ0(N), ψ) 7./ =&! f0 = f0,α 9&

7 %'))&"<'./*.0 &*0&.+#.%!*'. (f0|U = αf0)8 =&! #" /&B.& f0 = f

ρ0 |WN0 8

fρ0 =

∑n≥1 an(f0)q

n8 WN0 =

(0 −1N0 0

)4

!"#"$%&%"' (()() %& U∗ = W

−1N0UWN0 '( )*+ *+!,')'%( -+.)"! /0%.+

Sr,k(Γ1(N0),C)1 )*+ %23"'() "0+!%)"! 4')* !+/0+.) )" )*+ +)+!//"( /.%5%!0!"26.)$

7& 8(+ *%/ f0|U∗ = αf

01 %(2 #"! %55 9:""29 0!',+ (6,7+!/ l ∤ Np

"(+ *%/ Tlf0 = al(f)f

0$

.& ;*+ 5'(+%! #"!, ℓf,α : g 7→ 〈f 0, g〉 "( Mr,k(Γ1(N0),C) -%(<'/*+/ "( Ker πα,01 4*+!+ πα,0 : Mr,k(Γ1(N0),C) → Mα

r,k(Γ1(N0),C)=)*+ 0!"3+.)"! "()" )*+ α<0!',%!> /67/0%.+ 4')* )*+ ?+!(+5 Ker πα,0 =Im(U − αI)n) *+(.+

〈f 0, g〉 = 〈f 0, πα,0(g)〉.

2& @# g ∈M(Npm+1,Q) =M(N0p

m,Q) +) α 6= 01 "(+ *%/

〈f 0, gα〉 = α−m〈f 0, g | Um〉

4*+!+

gα = (Uα)−m

πα,0(g | Um) ∈Mα(Np)

'/ )*+ α<0!',%!> 0%!) "# g$

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! "#$%$& '"()*&+*,&(

! "# $%&'

Lf,α(g) =〈f 0, α−m

g|Um〉N0

〈f 0, f0〉N0

,

( #) Lf,α :M(Npm+1;Q)→ Q *&( +,# -. /0.1 Lf,α '%.Mr,k(Γ1(Np),C)

,' 2 3# 2 04 . Q! -#2 &( . 5,'&' - %#,6% A7+,# -. /0.1 ℓf,α ∈Mα

r,k(N0)∗'%)( &(-&

i−1p (ℓf,α(g

α)) =〈f 0, α−m

Um(g)〉N0

〈f 0, f0〉N0

*∀g 8,&( )0 9), #&' ,# i−1p (A)!:

;.00/ 0/ ;.0$0',&,0# <<:< ! "## $%&'() *+, -,.,.,

/! 0' 1#23&4&53) f0|U∗ = f

ρ0 | WNpW

−1NpUWNp = αf

ρ0 | WNp = αf

0,

6! 758 3' 9:364&53

g1 = (U − αI)ng ∈ Ker πα,0 = Im(U − αI)n

53# + ;

〈f 0, g1〉 = 〈f 0, (U − αI)ng〉 = 〈(U∗ − αI)f 0, (U − αI)n−1g〉 = 0

+#36# 958 g1 = g − πα,0(g) <# =#4

〈f 0, g〉 = 〈f 0, πα,0(g)+(g−gα)〉 = 〈f 0, πα,0(g)〉+〈f 0, g1〉 = 〈f 0, πα,0(g)〉1! >#4 :; :;# 1&8#64?' 4+# #@: ?&4' (U∗)mf 0 = α

mf059 /!A

αm · 〈f 0, gα〉 = 〈(U∗)mf 0, U−m

πα,0(g | Um)〉 =〈f 0, πα,0(g | Um)〉 = 〈f 0, g | Um〉

/' 6! /#6 :;# g|Um ∈M(Np),#! B54# 4+ 4 Lf,α(f0) = 1) f0 ∈ M(Np;Q)C 653;&1#8 4+# 65DE?#F

G#6458 ;E 6#

KerLf,α = 〈f 0〉⊥ = {g ∈M(Np;C) | 〈f 0, g〉 = 0} !"#! $%&"'( $ Q)*$'"+,$- .$("( ./#$0(/ "' "( ('$.-/ .1 '!/ $#'"+, +2 $--

34++%3 5/#6/ +7/*$'+*( Tl 8l ∤ Np9:

〈f 0, g〉 = 0 =⇒ 〈f 0, Tlg〉 = 〈T ∗l f 0, g〉 = 0

$,% +,/ +.'$",( (0#! $ .$("( .1 '!/ %"$4+,$-"($'"+, +2 '!/ $#'"+, +2 $--

'!/ Tl 8$ #+&&0'$'";/ 2$&"-1 +2 ,+*&$- +7/*$'+*(9 $,% /9 2+--+ (<

=>< !"#$%&'( $& $)! L*+,'-$%&'(. -&'/&",$%&'( &+ $)!

0%(!'($!%' 1%($2%3,$%&'(

?/' ξmodN ./ $, $0@"-"$*1 A"*"#!-/' #!$*$#'/* ξ : Y → A∗B

Y

yp→Z∗p, Y = lim←YNpm ,

YNpm = (Z/NpmZ)∗< C+,("%/* ' + D"(/,('/", %"('*".0'"+,(

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!"# $"%&'( ') *'!+%,-*%.!/ p0 (.* L0)-!*%.'!+ 12

E0,ℓ,Npm(ξ, b) =∑

a∈YNpmξ(a)E0,ℓ(a, b;Np

m) ∈{M0,ℓ ! ℓ ≥ 3 "# ξ 6= 1

M1,ℓ ! ξ = 1, ℓ = 1, 2,

Er,ℓ,Npm(a) =∑

b∈YNpmEr,ℓ,Npm(a, b) ∈Mr′,ℓ$ r

′ = max(r, ℓ− r − 1)%

!"#"$%&%"' ()*(* !" χ, ψ : Y → A×#! "$% &'(')*+!" )*,(,)"!(-

modNpm.

,/ !" f ∈ Sk(N,ψ). k ≥ 2. 0!12!

Φj(a)Npm =∑

y∈YNpm

ψξ(y)E0,k−1−j(ξ, ya)Ej,1+j(y)

3, "$'-"!0 )%24%+5"'%2. j = 0, . . . , k − 2/6 7!2)! 8%( ,29 &'(')*+!"

)*,(,)"!( χ mod Npm%2! *,-

Φj(χ) = E0,k−1−j(ξ, χ)Ej,1+j(ψξχ);

#/ "*! -:!)',+ 4,+5!- %8 "*! 852)"'%2 Lf (s, χ) =∑

n≥1 χ(n)an(f)n−s

$'"* , :(';'"'4! &'(')*+!" )*,(,)"!( χ mod Npm (m ≥ 1) ,0;'" "*!8%++%$'2< '2"!<(,+ (!:(!-!2","'%2

〈f 0,Φj(χ)〉Np =G(χ)Γ(j + 1)Lf (k − 1, ξ)Lf (j + 1, χ)

(−2πi)j+k· t,

3$*!(! G(χ) '- "*! =,5-- -5; %8 χ. t ∈ Q∗'- ,2 !>:+')'"+9 <'4!2 !+!?

;!2",(9 )%2-",2" '20!:!20!2" %8 j ,20 χ/@

)/ "*! 0'-"('#5"'%2- Φj -,"'-89 "*! )%20'"'%2- %8 A*!%(!; B ,20 "*!9

:(%05)! ,2 h?,0;'--'#+! ;!,-5(! 3)%;:,(! $'"* CD'EBF/ $*')* '2"!(:%?

+,"!- "*! 2%(;,+'-!0 )('"'),+ 4,+5!-

α−mG(χ)Γ(j + 1)Lf (j + 1, χ)Lf (k − 1, ξ)

(−2πi)j+k〈f, f〉$*!(! 〈f, f〉 0!2%"!- "*! 2%(;,+'G!0 H!"!(--%2 :(%05)"6

H(%%8 %8 H(%:%-'"'%2 IJ6I &' () * * & +,-,#&. /#"/,#01 "! 23.0 /. 4&0 5,

4"-5".30 "-*%

6' 72/. ,8 !#"2 0), 9&-: -;<,.6,#+ 2,0)"8 !"# 0), 4"-5".30 "-

D(s, f, g) = LN(2s+ 2− l, ψξχ)∞∑

n=1

anbnn−s,

=),#, ξ * &- &3> . &#1 -"-;0# 5 &. ? # 4).,0 4)&#&40,# ξ &-8 0), -326,#*

bn = σl−1,χ,ξ(n) =∑

d|n,d>0

χ(d)ξ(n/d)dl−1

&#, @"3# ,# 4",A4 ,-0* "! & 4,#0& - B *,-*0, - *,# ,* g =∑∞

n=0 bn exp(2πinz)"! =, +)0 l C&-8 "! ? # 4).,0 4)&#&40,# χξ' ! χξ(−1) = (−1)l *" 0)&0

Lg(s) =∞∑

n=1

bnn−s = L(s− l + 1, χ)L(s, ξ)

Page 93: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%$& '"()*&+*,&(

!" #$ %!&# '( ) !%*!+, -$.. /,$$ 0) 1234 &5 6$!$5 - -$..

&7 89*.:5 089*;<34 =$.. > /6$!$5 -*?$" ) !%*!+, -$.. @4 ,$$ -,&

089*;;34 0A*B134 0C !DE 3@ F9 F D(s, f, g) G ! '$ $HI5$,,$" F95&:69

Lf (s − l + 1, χ)Lf (s, ξ)J K! &5"$5 F& 6$F F9$ *!F$65 - 5$I5$,$!F F*&!

&7 '@4 #$ $L -: F$ F9$! F9$ 7:!GF*&! Lf (s − l + 1, χ)Lf (s, ξ) F I&*!F,s = k − 14 !" I:F l = k − j − 14 #9$5$ 1 ≤ l ≤ k − 1@J

G@ M!$ G9$G%, G&$NG*$!FD'(DG&$NG*$!F F9 F F9$ "*,F5*':F*&!, Φj , FD

*,7( F9$ -$L$- G&!"*F*&! !" F9$ "*L*,*'*-*F( G&!"*F*&! &7 O9$&5$. < #*F9

κ = 2J O9$! &!$ "*5$GF-( II-*$, O9$&5$. < !" I5&I&,*F*&! >>J> G@4

"@ *! &5"$5 F& &'F *! F9$ "$,*5$" hD ".*,,*'-$ .$ ,:5$ µf,α *! F9$ 7&5.

µf,α = ℓf,α(Φα)J

>PJ !!"#$%&#'( &' &)#!"* !)'+,$&-

Q&!,*"$5 F9$ L$GF&5 ,I G$

M :=⋃

m≥0

Mk(Γ1(Npm))⊗3

!" -$F L(f ⊗ g⊗h, s) '$ F9$ F5*I-$ LD7:!GF*&! FF G9$" F& f ⊗ g⊗h ∈Sk(Γ1(N))

⊗3 ,,&G* F$" #*F9 ! !"#$%!& $*6$!L -:$ αβγ4 9$!G$

f0 ⊗ g0 ⊗ h0 ∈ Sk(Γ1(Np))⊗3

*, ! $*6$!7:!GF*&! &7 U⊗3

&! Sk(Γ1(Np))⊗34 !" f

0 ⊗ g0 ⊗ h

0*, !

$*6$!7:!GF*&! &7 (U∗)⊗3J =$F :, :,$ F9$ 5$,F5*GF*&! F& F9$ "* 6&! -

Φ = E3k(z1, z2, z3) ∈ Mk(Γ1(Np))

⊗3&7 F9$ 8*$6$-DR*,$!,F$*! "*,F5*D

':F*&! /,$$ 0EK,53@ L*$#$" , 7&5. - S&:5*$5 ,$5*$,J M!$ &'F *!,

"*,F5*':F*&! &! Y3#*F9 L -:$, *! MJ

E:F

lf⊗g⊗h,αβγ(Φ) := ip

( 〈f 0 ⊗ g0 ⊗ h

0,Φαβγ〉

〈f 0, f0〉〈g0, g0〉〈h0, h0〉

)

./*')*0 >PJ>1 '% ( !) #$ *! +!,-- (#./ 0#,+1!#," 234/,!,!56 7/, "#-8

.!#9:.# $ lf⊗g⊗h,αβγ(Φ) $ Y3(#./ ;%<:,- #$ M #- 9 :$"," %$" ./,

#$.,+!%<- lf⊗g⊗h,αβγ(Φ)(χ1 ⊗ χ2 ⊗ χ3) $ ./, 4/%!%4.,!- χ1 ⊗ χ2 ⊗ χ3

4 #$4#", (#./ ./, -*,4#%< ;%<:,- L∗(fχ1⊗gχ2⊗hχ3 , s0)= (/,!, ./, $ !>%<8

#-%.# $ 1 L∗#$; <;,- ?%:-- -:>-= @,.,!-- $ -4%<%! *! ":4.- = * (,!-

1 π= αβγA

@! 1A O9$ $H*,F$!G$ &7 lf⊗g⊗h,αβγ(Φ) 7&--&#, 75&. F9$ $H*,F$!G$ &7 Φ:,*!6 O9$&5$. P4 !" F9$ $T: -*F( *, *.I-*$" '( F9$ *!F$65 - 7&5.:-

&7 U 55$FFDA 55*, 0U A 34 ,$$ -,& 0=VE34 0EO53J

2*3*)*($*-

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9>?@ABB) !02/-104,% C

◦DAEDF) G+H( I723( J-7.H%) K7-10 9>?@FB) L >>?#

>M>(

Page 94: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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Page 95: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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]5+T-)-+2- 5+ !53*O-6& '-"30-& QA0K 8G . aA,A63 8 9<<9& '-"30-& Y)5O*.

S-+2-& J%B% O50% 8 ;9<<F>& ( 8I9.8<8%

Y"'b# a%a% 7!#8&$"&'$#& L/ 32" !"#"$7G!&"/&3"!/ ."+&*," +/) !3& +66$!1+7

3!(/&& B6)"-0 Q5A)+"0 5T !"37-`-3*26& 98G& Y")3 M ;8GGG> F:=.IG<%

Y"Ba'# a%a% 7!#8&$"&'$#& L/ p7+)!1 !/3"#,+3!(/ !/ &6+1"& (5 .()*$+, 5(,.&

+/) !3& +66$!1+3!(/&& Q% !"37% '2*%& 4-V @5)D 99I& 45%?& 8?I=.8?==

;8GG?>%

Y"!!Q# a%a% 7!#8&$"&'$#& ; /"M ."32() (5 1(/&3,*13!/# p7+)!1 L75*/13!(/&+&&(1!+3") M!32 .()*$+, 5(,.&& !5625V !"37-`"3*2"0 Q5A)+"0& 8

;8GG8>& 4A`C-) 8& 9.9:

Y"B+O# a%a% 7!#8&$"&'$#& CM( N+,!+D$" p7+)!1 L 5*/13!(/& +33+12") 3( "!#"/7

5+.!$!"& (5 6(&!3!N" &$(6"& B+O-+3% !"37% O% 9IF& 4? ;8GG?>& ((% II9 .

:9I

Y"aW# a%a% 7!#8&$"&'$#& ;,!32."3!1+$ )!O","/3!+$ (6",+3(,& (/ /"+,$@ 2($(7

.(,62!1 !"#"$ .()*$+, 5(,.&& !YB!& a()*0 8GG8& !YB 8GG8 . F9& !YB.

8GG8.F9%SO* . !YB.8GG8.F9%(6& 9.F<%

Y"QL4M# a%a% 7!#8&$"&'$#& *, */" 1(/)!3!(/ &*P&+/3" 6(*, $%"F!&3"/1" )"&

."&*,"& 67+)!?*"& +).!&&!D$"&& Q5A)+"0 S- L7\5)*- S-6 45`C)-6 S- M5).

S-"A[& O% 9I ;8GG?>& ((% 9.8F

YAK# Q% 7+(9.& J+$"*,& &6I1!+$"& )" 5(/13!(/& L )" 5(,."& .()*$+!,"&

+)I$!?*"&& L7c6- S- W5235)"3& B+63*3A3 d5A)*-) ;e)-+5C0->& 9< S\2-`C)-

8GG?

'-8# Q%.Y% :),,)& -(,."& .()*$+!,"& "3 5(/13!(/& QR3+ p7+)!?*"&& !5SA0")

TA+23*5+6 5T 5+- O")*"C0-& BBB ;Y)52% B+3-)+"3% 'A``-) '27550& H+*O%

a+3V-)(& 9<=8> 9<9f8:E& 1-23A)- 453-6 *+ !"37%& /50% ?IG& '()*+,-)&

M-)0*+& 9<=?%

'7=9# e% :&$1+,!& </3,()*13!(/ 3( 32" ;,!32."3!1 C2"(,@ (5 ;*3(.(,62!1

-*/13!(/&& Y)*+2-35+ H+*O% Y)-66% ;9<=9>%

'7=I# e% :&$1+,!& L/ 32" 8($(.(,62@ (5 1",3+!/ 0!,!12$"3 ",!"&& Y)52%

15+S% !"37% '52% ?9 ;9<=I>& ( =<.<E%

Page 97: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%$& '"()*&+*,&(

!"##$ %& !"#$%&' ! "#$ %$&'()* (+ ,()-./& 0(&1*' ()*"& +,,)-., //0

120##3' 4 /225//2&

!"#6$ %& !"#$%&' 2#$ 34$5'/. 6/.-$* (+ 7$"/ 0-!5"'(!* /**(5'/"$) 8'"#

9'.:$&" ,()-./& 0(&1* 789. ()*"& :& ;6 120#63' 4 <=#5<#0&

!"62$ %& !"#$%&' ;&'"#1$"'5 (+ <'=$&$!"'/. 4$&/"(&* (! 3>1$"&'5 <(?

1/'!*' 789. ()*"& :& ;6 120623' 4 62=56;=&

!"6/$ %& !"#$%&' @(!A-$!" 9>4$&B$(1$"&'5 0-!5"'(!* (! 2-:$ <(1/'!*'

()*"& +,,& /<> 1206/3' 4& /<05=>/&

!"6=$ %& !"#$%&' ! C'*$!"*$'! 3$&'$*' 789. ()*"& :? @> 1206=3' 4& ;2#5

;#<&

!"/>>>$ %& !"#$%&' ;&'"#1$"'5'"> '! "#$ "#$(&> (+ /-"(1(&4#'5 +(&1*' ()*"5

.A)*BC)- D8EF.GD ),H AI,IJE)4"D' ! +(!' KEIFBH.,C.' LM />>>' =>/

4&

!B.=0$ N&O& "'(')' C'!D#&-!B '! )'$ 2#$(&'$ )$* ,()-.+-!E"'(!!$! !?"$!

F&/)$*' ()*"& +,,& ""#' <2#5<@# 120=03&

!*2$ :& *$%#' 34$5'/. 6/.-$* (+ 7$"/ 0-!5"'(!* /!) C'*$!*"$'! 3$&'$* (+

#/.+ '!"$B&/. 8$'B#"' +A.E& :& ()*"& "$!' /205/;> 1206>3&

!*/$ :& *$%#' 2#$ @&'"'5/. 6/.-$* (+ 7$"/?0-!5"'(!* /**(5'/"$) "( "#$ 3>1?

4.$5"'5 B&(-4' 789. ()*"& :& % ' =/#5=@> 120623&

PB5Q$ :& +"),$"-'' R& .%/&-' 3$G$&/. G/&'/:.$ p?/)'5 +/1'.'$* (+ 3'$B$.?9'.:$&" 5-*4 $'B$!+(&1* /!) "#$'& F/.('* &$4&$*$!"/"'(!*' +,,& DCB.,*&

SC& TIEA& !84& ;

eDUEB.' =/ 120003 ;00V@#;&

WB2$ (&(& 0"1"2' H(!?;&5#'1$)$/! ,$/*-&$* /**(5'/"$) 8'"# <'&'5#.$" *$?

&'$*' ()*& !XIE,B9 00 120#<3' 4 /;65/<>&

Y.@<$ +&3'")' ! / 5$&"/'! ">4$ (+ 5#/&/5"$&* (+ "#$ ')I.$?5./** B&(-4 (+

/! /.B$:&/'5 !-1:$&?J$.)' KEIC..HB,JD IZ *". B,*.E,)*BI,)- DGA4IDB8A

I, )-J.XE)BC ,8AX.E *".IEG' PI9GI [ TB99I' 20@@' 44& 2V#' !CB.,C.

NI8,CB- IZ :)4),' PI9GI' 20@<&

YB$ +&3")'4' ,()-./& $..'4"'5 5-&G$* /!) 0$&1/"K* L/*" 2#$(&$1M +,,&

()*"&' MM& !.E& 2;2' TI&=' ;;=5@@2 1200@3

\)##$ 7&]& 5&("'%' ,()-./& 0(&1* 8#(*$ 0(-&'$& @($N5'$!"* '!G(.G$ 7$"/?

0-!5"'(!* (+ O-/)&/"'5 0'$.)*' M, ^ (IH8-)E _8,C*BI,D& W' !4EB,J.E5

W.E-)J' O.C*& TI*.D B, ()*"& T

◦</# 120##3' 4 2><52<6&

6-4*"*$* 7,$%"'%8 .-"9'%4"*: ;' <%'-,/)' 6

C?1/'. /))&$** ^ !"#$%&$'()*+,-."/01.2*-

Page 98: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/!.0,$-&.%,!

!"#$%&#$"'( )*+ ,#-.+ /%&0-1, &##&2*1. #" !".-0&3

4"3!,5

!"!#$%& !&"'(()#&( *+ +#,-(& ./("&0 *1 ./( 2"$$"3*+45

6"+1.&#'. % 4(+(&%.*+4

2#+'.*"+ =∑∞

=

!

"

∈ C[["]] "2 %+ %&*./,(.*'%$2#+'.*"+ # 7→ !

7

2"& (8%,!$( !

= $(#)

6",!#.( 9*%

,")#$%& 2"&,17

2"& (8%,!$(

∞∑

=

$(#)"

= (∆/")−!/"#

+#,-(&

:1"$#.*"+;

<8%,!$( = !"#$%&'()

:>%&)0?@%,%+#A%+;

↑ ↑

(") =#

π√ /!( −"/ #)

1

√2λ

+$(#π√ /!( −"/ #)

/λ!

),

λ

=√

" − 3/415

B"") -%1(17

C+*.( )*,(+1*"+17

,%+0 &($%.*"+1

%+) *)(+.*.*(1

D%$#(1

"2 %?2#+'.*"+17

!(&*")17

'"+4&#(+'(17 E E E

F./(& (8%,!$(15 G*&'/ %+) H3*++(&."+?I0(& '"+A('.#&(7 E E E %?9%$#(1

%..%'/() ." ,")#$%& 2"&,1

4

Page 99: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/.#.*(*!. ,' .0* 12,3)*( ,' 4,)*(#!"5#6-2

!"!#$#%! &' !(# )*&+,#$ &' -&,#$"%./"01*

!"# $%&' "# %()*$ $!+ ,%,+- ./% 01 (2 34/45 !" #$%&$'() *+$,&- .

/01-2&"13 $22$-4), 2" )&5)1/$6&(&)3 "/ *"3&2&#) 3("*)5 678+7$4 9%$!4 84 :;<5

=> ?@AA>B5 ,,4 ;;: C D:;5 %7E %()*$ #)F+ G*-$!+- E+8+&),F+7$#4

!+ %$+ H+&E C

I"J % ,-"F+ *5 %7E &+$ C

= Q

(+ $!+ %$+ H+&E

?$!+ K)F,&+$")7 )G $!+ H+&E

)G *C%E"K 7*F(+-#B

L+ HJ %7 +F(+EE"7M

&

: Q → C

5 %7E 8"+N

%&M+(-%"K 7*F(+-# %#

*C%E"K 7*F(+-# 8"% &

4

3 ,-"F"$"8+ K*#, +"M+7G)-F /

/ = /

!

=∑

"≥

$

"

7

" ∈ S!

(Γ!

(8), ψ),

?N!+-+ 7 = )(9) = +J,(@π&9)5 ! (9) > AB

% ,-"F"$"8+ K*#, +"M+7G)-F

/ = /

!

)G N+"M!$ : ≥ @

G)- Γ!

(8) N"$! %O"-"K!&+$ K!%-%K$+- ψ (F)E 8)4

7

Page 100: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/.#.*(*!. ,' .0* 12,3)*( ,' 4,)*(#!"5#6-2

!" #$"%&'( )'(*"# +, -!" .,*/%-&+/ '--'%!"0 -+ ! '-

" = 1, · · · , # − 12

(!, χ) =∑

!≥

χ(")#!

"

−"

!χ "#$ %&#&'()$* '("#"'*$#+,

-($#$ .− #

#

$ + ψ(%)%$− $

!

= (.− α#

$ )(.− α′#

$ )

&+ *($ /$'0$ 12)3425&")

α#

"46 α′#

"#$ '"))$6

*($ 7"*"0$ 1"#"5$*$#+ 28 &

9$#&26+ 28 & :2))2-&4; " 042-4 *($2#$5 28 7(&5<#" =7(>?@ "46 A"4&4

=A"BC@ *($#$ $D&+* *-2 424EF$#2 '251)$D '24+*"4*+ '

+( ), !−( ) ∈ C×

!"# "#$%&'( $% & '()" !"*! %$+ *,, ( = -, · · · , ) − - *./ %$+ *,, 01+1)",#!

)"*+*)!#+' χ $% 23#/ 4*+1!56 (−-) −!χ(−-) = ±-6 !"# .$+7*,18#/ '4#)1*,

9*,(#' *+# *+,#-$*%! ./0-#$(:

1

∗( , (, χ) =(;%π)−!Γ(()1

"

((, χ)

!

±( )∈ Q. ;<-&

Page 101: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/.#.*(*!. ,' .0* 12,3)*( ,' 4,)*(#!"5#6-2

!"#$%& '! (%')* σ > + '! ,-() *$.*/!'0#(

'! 1*$.23

! ≥ 4 ,'/3"$/$/.

7→ !

=∞∑

!=

"

!

( )#!

∈ Q[[#]] ⊂ C"

[[#]]

! "#$ %&'()$( *&$+*)$,"- "

!

( ) &. !

/,0 "#$ 1/"/2$ $34/(/5$"$( α"

( )/($ 6)7$, 89 *$("/),

$3/0)* /,/:9")* .',*")&,- 7→ "

!

( ).&( (%, $) =

;! "#$ -:&4$ )- *&,-"/," /,0 4&-)")7$<

!"(α"

( )) = σ > =

> 5&0$: $?/54:$ &. / $3/0)* ./5):9 @,&" *'-4 /,0 σ = =!< A)-$,-"$), -$()$-

"

!

=∑

# |!

&

− , !

= '

"#$ %&'()$( *&$+*)$,"- "

!

( )/,0 &,$ &. "#$ 1/"/2$ $34/(/5$"$(-

α"

( ) =

/($ $3/0)* /,/:9")* .',*")&,-B

/,0 !"

"

(α"

( )) = !"

"

( ) = =

7

Page 102: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/.#.*(*!. ,' .0* 12,3)*( ,' 4,)*(#!"5#6-2

!" "#$%&"'(" )* *+,$-$"% )* %-)." σ > /0 123)-",+'4

53)678

! "#$! #% !&#'()! *+,-

= ./ ! = ∆/ " = 01

#

= τ(.) = −. · 1231, σ = 0/

#%4 # (56"5#' +% 789: ;65 <6'(=,+%"

>=<- ;#'+)+!> +> <6%,#+%!4 +% ?@AB3CD

E>!! #)>6 ,-! F!GH(#"! 6; FIA,!+%/

!!"#$$%&'()*+,-*., *+/*+',0'($ J

!" #$%&'"() !! "#$%&'( )* #$+!,'-. /* &'012. 34! !56!-7128!*

9'+$5 2!:2! !-;';5$- 5- '25;4,!;57 '+6!<2'57 6!$,!;2=. >?124',.

@AABC. D$-E$- &';4* F$7* D!7;12! G$;! F!2*. HIJ. '; :*B

$%&'( # )#*%+ #(#,-.%+ !#/%,- " 7→ !

=

∞∑

!=!

#

!

(")0! ∈ Q[[0]] 1! 12%.%&'

2,1 ' σ > K3 .1 +1(2.45+. # .61)&#4%#7,' )#*%+ 8)!5(+.%1( %(.'4 1,#.%(9

8

∗(!

, 2, χ) 1( (2, "):

7

Page 103: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/.#.*(*!. ,' .0* 12,3)*( ,' 4,)*(#!"5#6-2

!"#! $%&'&(

• !"#$%&'%()" *%+", = '+ -."/0 σ > 120

3&"%3"/ '! 456#7"8 (9 :; 56'*"0 <; 7=)>0

'! 47'?@8 (9 A;A; 7'B'C0 %!/ '!

4ADD8 (9

E; A%F>&G <; D%3"G <; D"'3")(%>6

• σ = 1 ,H;H'/%2

,IJ&/'!%&9 K%6')'"+L2

,+"" '! 4H'MN82

• OP"*'%) $%)>"+ JK !#K>!*3'J!+%33%*Q"/ 3J K%6')'"+ "

JK :>;R; A%!'! %!/ A; A;7'+Q'C0

4A%#7'8 S "

=∑

a⊂O"

λ − (a)#!a

%!/ JK T;A;U%3F0 4U%3820

VQ'*Q %&" %&" *"&3%'!

J&/'!%&9 K%6')'"+

3Q"9 *J&&"+PJ!/ 3J PJV"&+ JK %

W&X++"!#*Q%&%*3"& λJK %! '6%W'!%&9 Y>%/&%3'* -")/ $

%3 % %&'())(*+ &,(-. &0

,&"+P; 3J W&X++"!*Q%&%*3"&+

JK 39P" /

!

JK 3Q" '/Z)" *)%++ W&J>P A∗"

/$ ∗

,'! 3Q" +"!+" JK ["') 4["\@802

JK % ]A#-")/ $ ;

7

Page 104: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/.#.*(*!. ,' .0* 12,3)*( ,' 4,)*(#!"5#6-2

!"#$%"#!& '!()* +,!( "-) '!&.)'"/,) !+ 0#,'- %&1

23#&&),"!&456),7 *)) #& 89!:(;<=

!" # $%&' ()*(+,!"- =

. $!""(&'!+/)+* 0! #+ (11)'0)$ $%"2( ! 34 5)1(& 65)7. 8(

$!+&)/(" # ,#-)14 $!+0#)+)+* 9

:+( $#+ 0"4 0! #''"!#$; " = <, # = =

,"!- 0;( !0;(" /)"($0)!+. 0#>)+* " → < .

)+&0(#/ !, # → =. 0;)& 1(#/& 0! # ,!"-%1#

1)+>)+* 0;( /(")2#0)2( !2(" # #0 # = =

!, 0;( $?#/)$ %?,%+$0)!+ 8)0; 0;(

/(")2#0)2( !2(" " #0 " = <

!, 0;( $?#/)$ #+#140)$ ,%+$0)!+

α

("). &(( )+ 6@ABCD7E

%

′ ,! (=) = L

( )% ,! (=)

8)0; L

( ) = −<&α

(")

&"

∣∣"=

B;( 2#1)/)04 !, 0;)& ,!"-%1#

+((/& 0;( (F)&0(+$( !,

!%" 08! 2#")#31( %?,%+$0)!+G

7

Page 105: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/.#.*(*!. ,' .0* 12,3)*( ,' 4,)*(#!"5#6-2

!" #$%&'(

! " #$%& '"( $' $) (*+ ,"'- './+0&+12 %+(*$34 (*+ (*+$15 $) ."3 # '(+21"( $'

6 (* 7"08+! ' ."3 # 9"'"#* "02+&1"! A "'3 (*+ !:+#(1"0 (*+$15 $) ;(- '<!

!.$:+1"($1= ! = !

: A[["]]→ A[["]] 3+>'+3 &5=

!

!≥

#

!

"

!

=∑

!≥

#

!

"

! ∈ A[["]].

?+1+ A = A(B) ! " #+1(" ' ."3 # 9"'"#* "02+&1" $) )8'#( $'! $' "' $:+'

"'"05( # !8&!:"#+ B ⊂ $ $) (*+ 6+ 2*( !:"#+ $ = !""#!$

(% ,C∗

)@ A* ! ! "'

"'"05( # !:"#+ $7+1 C

4 6* #* #$'! !(! $) "00 #$'( '8$8! #*"1"#(+1! $) (*+

:1$>' (+ 21$8: %

∼= (Z/&Z)∗ × Z∗

@

A*+ #0"!! #"0 "'"0$28+ $) (*+ 6+ 2*( !:"#+ ! (*+ 6*$0+ #$%:0+B :0"'+

C = !""#!$

(R∗+,C∗), ' 7→ (( 7→ (

%).

A*+ 6+ 2*(! ) #$11+!:$'3 ($ #+1(" ' :$ '(! ' B ⊂ $ @ ;'5 !+1 +!

* =∑

!≥ #!"! ∈ A[["] :1$38#+! " )"% 05 $) ".+B:"'! $'!

{*

&

= +,

&

(* ) =∑

!≥

+,

&

(#!

)"! ∈ C

[["]]}, 6* #* #"' &+ #0"!! #"0 %$380"1 )$1%!

' Q[["]]@7

Page 106: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/.#.*(*!. ,' .0* 12,3)*( ,' 4,)*(#!"5#6-2

! "# $%&'()*$( +)'( ,& ,&,-.(/$ 0*&$(/%& Lµ : → A = A(B) ,' (1# 2#--/&

(),&'0%)3

Lµ(!) =

!(") #µ(") (41#)# ! ∈ = !"!"#$

($ ,C∗%

), ! = !(")),

µ /' , $#)(,/& 3#,'*)# 4/(1 5,-*#' /& A6 %& (1# 7)%+&/(# 8)%*7 $ 9

:! ;%) #,$1 % ∈ B ⊂ 6 (1#)# /' (1# #5,-*,(/%& 1%3%3%)71/'3

&'

&

: A(B)→ C%

< 4# %=(,/& Lµ(! , %) =. #5,-*,(/%& %0 ,& A>5,-*#?

/&(#8),-@

Lµ(! , %) = &'

&

(Lµ(!)) = &'

&

(∫

!#µ

)

(! ∈ , Lµ(!) ∈ A).

A1/' 8/5#' , (>,?/$ ,&,-.(/$ )>0*&$(/%& /& (4% 5,)/,=-#'

(! , %) ∈ ×B ⊂ × @

(! , %) 7−→ Lµ(! , %).

B! "# $1#$C ,& #D*,-/(. )#-,(/&8 (1# ,-8#=),/$ &*3=#)' )

∗'

"

(%, χ)E% = , · · · , * − ! 4/(1 (1# 5,-*#' Lµ(! , *) ,( $#)(,/& 7%/&(' ! ∈ E3%)#

7)#$/'#-.6 ,( ! = χ · "(%

!9

78

Page 107: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

"#$%& %!.*/0#.%,! #!$ .1* "#$%& 2*%/1. +3#&*

!"#$ #%&'()!&#*% !%" &+' !"#$ ,'#(+& -.!$'

!"#$%&' ()& *'!+,

= -$.

←−

"

(Z/!" Z)× ∼= (Z/!Z)× × Z×!

/"% ()& *'!+, !0 "1/%$2 2)/'/2(&'#

# = #

"

= !" !"#

( ,C×!

) ∋ χ, $#!

3

4)&'&

χ .!% !" Z : (Z/!" Z)× → C×!

$

!

: → Z×!

5 / ,'!6"$(& *'!+, 4$()

/ ,'!7&2($!" $

!

: → Z×!

8

5()& "1/%$2 4&$*)( #,/2&3

4)$2) $# / C!

1/"/-9($2 *'!+,8

5/ :$'$2)-&( 2)/'/2(&'8

5()& 2/"!"$2/- ,'!7&2($!"3

/ "1/%$2 2)/'/2(&' !0 8

;)& /"/-9($2 #('+2(+'& !" # = #

"

= !" !"#

( ,C×!

) !<&' C!

$# *$<&" =9 ()&

%&2!.,!#$($!">

#

∼→ !"((Z/!"Z)×,C×

!

)× !" !"#

(Γ,C×!

)

4)&'&

∼= (Z/!"Z)× × Γ3 Γ = (?+ "Z!

)×3 $# / ,'!292-$2 *'!+, !0 *&"&'/(!'γ = ?+ "3 /"% 4& #&& ()/( # $# / 6"$(& 2!<&' !0 ()& "1/%$2 +"$( %$#2>

# →→ !" !"#

(Γ,C×!

)∼→ U =

{% ∈ C!

| |% − ?|!

< ?} ∼= {χ$

: γ 7→ % | % ∈ U}.

44

Page 108: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

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( , ψ) = !

!

ψ ∈ "

A

#

C($ ,A)∪

C"#$−$#%&'($ ,A)

! " #$ %& % &'( )( *'& !#"+( " = !" !"#

($ ,C×!

)

,)( )- &( ! .#/0 1$- ( , ψ)2

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D : C"#$−$#%&'($ ,A)→ # , ϕ 7→ D(ϕ) =

(

ϕ8D.

9' ( .("!7-( µ )* $ +,-. /&0123 ,* # ,3 & :)*-,*1)13 A40,*2&5 6)57

µ : C($ ,A)→ # , ϕ 7→

(

ϕ8µ.

8'( %&(*-"/

(

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6$7%4(4 4 !&- 67& $% µ: 7! %* &'( ; (."%% !7.!<45

Page 109: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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2 !-3$4 /5 67 !'($8 97 3:&0 ;.$$ )&." 2<==48 23'>?4@A

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%! $&!'(# )*&"+(!&, $+ !",-"" < & $+ %&" ./-0/1*"

2

!

: → Z×!

→ A×3 0# 4/-%05)*/-6

P ( ,A) = C

"#$−$#%&'( ,A)

7%&" A'8)1($!)*" $+ !"# $ "!&,+#&+ )*&"+(!&,9: ;"% /*8$ !"#$%"

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P ( ,A) ⊂ P

( ,A) ⊂ C"#$−(%( ,A) ⊂ C( ,A).

!

Page 110: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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∣∣∣∣∣

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− &

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∣∣∣∣∣ ,!

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45

Page 111: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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Lµ : 0 → A, %+B!+% )" Lµ(/) =

!

/(1)2 µ(1),

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Lµ(/ , ,) = %3

'

(Lµ) (/ ∈ 0 , Lµ(/) ∈ A).45

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! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

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!" # $"%&%'%() *+,$ )%-)./!"& / = /

=∑

!≥ #!0! ∈ S

(Γ!

(1), ψ) !/2)%-3' 4 ≥ /!" Γ

!

(1) 2%'3 # 5%"%*36)' *3#"#*')" ψ #.7 $!,%'%() ,6!$)

σ = !"

"

(α) 7)8.) '3) %.')-)" 3 = [σ] + ! 923)") σ < 4 − !: #.7

!− #

"

; + ψ($)$ − ; " = (!− α"

; )(!− α′"

; ) #, #<!()=>?3). '3)") )@%,', #. 3A#7&%,,%<6) C

"

A(#6+)7 &)#,+") µ = µα,# (B) !. C,+*3 '3#' /!" #66 *!+$6), (D , χ) 2%'3 " ≤ D ≤ 4 − : #.7 /!" #.B .!.'"%(%#6

$"%&%'%() 5%"%*36)' *3#"#*')" χ #$% $

$

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"

=E

&

χ(B) B %"

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($

$%

F (χ)

α$

G

∗#

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)(= Lµ(χ B

%

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)), &'(')

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,/9+1<$/# $< µ(

45

Page 113: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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[ : Q

] <∞

A = A!

(B)

@ - A+)'" "('"+*)%+ %& Q

,%+'-+)+=

-// '!" B%;$)"$ ,%"C,)"+'*

!

(""

) %& #@ '!" D9-+-,! -/="1$-

%& $)=)>D-+-/2'), &;+,')%+*

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: A→

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⊂ A[[(]]

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12

Page 114: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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5#% &++ , )/(! '!&' (, , ψ).) .- & -".>1#/%!##2

B &%#/-2 (, , ψ) ∈ -3)"" .- @A#BCD7

12

Page 115: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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!

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(α(;)) = σ > &, $'#,%-#% -#0 *',&%&8/6

>7/:/ α(;) = /8

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(α) ∈ 9 ∩ &"

(Q)%! @/% !

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H,// -.,' DC&IJGKA

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12

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(" − 7, ξ)

π!+" 〈#!

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χξ(−7) = (−7)!− −%

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∈ A[[;]]

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12

Page 117: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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α$

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∗%

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(8 + , χ),

)

;<=>?

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12

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Page 119: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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45

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±(.$

)? '( ,! :010>145

Page 121: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/,!+.0-&.%,! ,' .1* #$(%++%2)* (*#+-0* µ

!"#$%&'$(!" !) $*+ ,-.(##(/0+ .+,#&%+ µ

!"#$$ %&! '!()*%*+) ,-./ #) 0!"#$%%$&'( #(!%)*( +) # 12+()*%! 32+41

+ 5*%& 6#$4!7 *) #) A08+94$! , *7 #) A08+94$! &+8+8+21&*78

µ : P (+ ,A)→ , ,

7#%*7:;*)3 # "!2%#*) 32+5%& "+)9*%*+) <,-.=-

>&*7 8!#)7 %&#% µ *7 3*6!) ?; # 7!@4!)"! {µ!

} +: "!2%#*) 9*7%2*?4%*+)7+) + A *) 74"& # 5#; %&#% :+2 - = B, C, · · · , − C #)9 :+2 #$$ "+81#"%

+1!) 74?7!%7 . ⊂ + +)! &#7

"

/

!

#

" µ = µ!

(.). <D-E=

34

Page 122: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/,!+.0-&.%,! ,' .1* #$(%++%2)* (*#+-0* µ

!"#$$% &'! ()*+&' "*,-.&.*, /0123

! "##$#$ " %&$#& '% $#("# )" *)$+ !! ,-# +#)!.&# µ %.' %/ )

!#0.#"1# {µ

} %/ $ !'& ,.' %"! %" ! 2 " !.13 ) 4)5 '3)'

!

"

"

# µ = µ

($)

/%& % = 6, 7, · · · , − 7 )"$ /%& )-- 1%+8)1' %8#" !.,!#'! $ ⊂ ! 9

:3 ! 1%"$ ' %" 3)! '3# /%&+; /%& & = 6, 7, · · · , − 7

∣∣∣∣∣

#+($"

" )("

"

− '

"

)%# µ

∣∣∣∣∣"

<=9>?

=

∣∣∣∣∣∣

%∑

=

(&

%

)

(−'"

)%− µ

(' + (()& ))

∣∣∣∣∣∣"

= *()&('−%)) /%& + →∞.

@" '3 ! 1%"$ ' %" '3# #-#+#"'! µ

(' + (()& )) ,#-%"A '% ) )*)$ 1

B)")13 )-A#,&) A9

34

Page 123: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/,!+.0-&.%,! ,' .1* #$(%++%2)* (*#+-0* µ

! "#$%&'("& &)! %!*(!$"! µ

#(& #+ ,'#-("&% #+ ./%!$%&!/$ %!'/!%0

µ

= ℓα(πα(Φ

)), ( = 1, 2, · · · , ! − 2), ! = [σ] + 2.

◮ Φ

/% 3 %!*(!$"! #+ 4#-(53' -/%&'/6(&/#$% #$ " 7/&) 835(!% /$ 3

"!'&3/$ A94#-(5! M = M!

(ψ;A) #+ 4#-(53' +#'4% 7/&)"#!:"/!$&% /$ A ;/& )3% /$<$/&! '3$=>0

M!

(ψ;A) :=⋃

"≥

M(#$

" , ψ;A),

;#(' 4#-(53' +#'4% Φ

(χ) 3'! ,'#-("&% #+ "!'&3/$ +34/5/!% #+"53%%/"35 ./%!$%&!/$ %!'/!% /$ A[[%]]>

◮ πα /% &)! "3$#$/"35 ,'#?!"&#' #$&# &)! ")3'3"&!'/%&/" A9%(64#-(5!

Mα = Mα(A) #+ @&=/$A% #,!'3&#' &

(∑

#≥ '

#

%

#

)

=∑

#≥ '

$#

%

#

;B!C ,#/$&0 &)! A94#-(5! Mα(A) /% 5#"355C +'!! #+ <$/&! '3$=>◮ ℓα ∈ !"A(M

α,A) /% 3 A95/$!3' +#'4 ;D/8!$ 6C &)! E!&!'%%#$

%"353' ,'#-("& 7/&) ! ∈MαF 3% /$ G!"&/#$ H0 ! 7−→

〈( , !〉

〈( , (

〉,

$#'435/I!- 6C &)! !*(35/&C ℓα()) = 2 +#' J#5!43$A% !/D!$+($"&/#$) = (

∈MαK

34

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! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/,!+.0-&.%,! ,' .1* #$(%++%2)* (*#+-0* µ

!"# $%#&'()#$)* $'"+)'"%# %, !-."//"0"1"+2

!"#$"%

!" < |α|

< ! #$% &'(()&! "*#" "*! +),,)-.$/ 0)$%.".)$& #1!

&#".&2!%3 +)1 #,, 1 = , !, · · ·, * − ! -."* * = [ !"

α] + !4 #$% 5 ≥ !4

Φ!

(# + (6(" )) ∈M(6(" )† "#$% &%'%& ()*+,#,)*- "./0-

#$% "*! +),,)-.$/ (7#%.0 0)$/1'!$0! *),%&3 +)1 #,, " = , !, · · ·, * − !

8

"

#∑

!=

("

1

)

(−#

)#−!Φ!

(# + (6(" )) ≡ 1)+ (

"#

"./! -

"#$% +,',2,3,&,#4 ()*+,#,)*-

9)$&.%!1 "*! ,.$!#1 +)1: Φα(δ$+(% " );

!

) := πα(Φ!

(#+ (6(" )) <%!2$!%)$ ,)0#, :)$):.#,& )+ %!/1!! 1 = , !, · · ·, * − !=>

?*!$ Φα.& #$ *7#%:.&&.@,! :!#&'1!3 Φα : P&(A ,Q)→ Mα ⊂ M

34

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! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/,!+.0-&.%,! ,' .1* #$(%++%2)* (*#+-0* µ

!""# $%&% '(& )"**$'+',-& .,+/!+*0

M( ! + , ψ;A)†πα,"

−→ Mα( ! + , ψ;A)†

"

y

y≀ "

M( !, ψ;A)† −→πα,3

Mα( !, ψ;A)† = Mα( ! + , ψ;A)†.

!" "#$%&"'(" )* &!" +,)-"(&),% πα, ()."% *,). /)0".1'2% !"),".

34546 7/)89:4

;' &!" ,$<!&= Mα( ! + , ψ;A)† >)"% ')& >"+"'> )' # ?1 @",%$)' )*A$>12% /)'&,)0 !"),".BC 1'> " 1(&% )' &!" 0)(100D *,"" AE.)>F0"

Mα( ! + ,A)† @$1 &!" .1&,$#=

α · · · · · · ∗G α · · · ∗

G G

4

4

4 · · ·G G · · · α

H!"," α ∈ A×

=⇒ "

$% 1' $%).),+!$%. )@", I,1((A),

45

Page 126: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/,!+.0-&.%,! ,' .1* #$(%++%2)* (*#+-0* µ

!" #$!%&$'( %)" *"!$+,!-%$&(

! "#$ % &'()* ! *%+ ! )(( ($,$(+ -. "#$ *$()"/ 01

πα, (!) = "

− πα, ("

!) =: πα(!) 234556

7#$ $8')(/". 234556 9)0 -$ '+$& )+ "#$ &$:0/"/ 0 ! πα4 7#$ ;* <"#

9 0&/"/ 0 2=4>6 ! * πα(Φ!

) /+ &$&'9$& !* % "#$ 9 0;*'$09$+ 2345?6 -$"<$$0

% &'()* ! *%+@ '+/0; "#$ *$()"/ 0 2345564

A$9)((1 "#$0 <$ -")/0 "#$ !'09"/ 0 Lµ(# , ) ! "#$%&$'()* $' ( , ψ)+ ',(- (-$ !.$/(0 $*$%!'(0 1&*0'()* (* '2) #$3($ %"- (" , ) ∈ # ×B ⊂ # × # +

Lµ(" , ) = $%

(Lµ) (" ∈ # , Lµ(") ∈ A).

!

Page 127: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/,$-)#0 1%+*!+.*%! $%+.0%2-.%,!+ Φ

!"#$%& '()*+),*(+ "(),&(-#,(!+) Φ

!"#$%&' ()($" *+! (,-$.$('/ 0$'$12.&* 12('(1*&'# ξ 3!% 4 ξ(−5) = ±54("% ,#& *2& 3&*2!% !6 7("8$"9:&.;&') 6!' *2& 1!"<!.,*$!"

!(", # , $) =%

(=" + =− & − ' , ψξχ)

∞∑

!=

(

!

)

!

*

−" , +2&'& >?@5=A

)

!

=σ#− ,χ,ξ(*) =

$ |!,$>!

χ(+)ξ(*/+)+ #− ,

('& *2& B!,'$&' 1!&C1$&"*# !6 (" D$#&"#*&$" #&'$&# $ =∑∞!=!

)

!

,

!

!6

+&$)2* ' >("% !6 0$'$12.&* 12('(1*&' χξA $6 χξ(−5) = (−5)# 4 #! *2(*

%

%

(") =∞∑

!=

)

!

*

−" = %(" − ' + 5, χ)%(", ξ).

34

Page 128: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/,$-)#0 1%+*!+.*%! $%+.0%2-.%,!+ Φ

!"#$"%& '())! *+,- . !/012 3$4(&

(!, " , #) = $

( ! + − % − & , ψξχ)

∞∑

!=

'

!

(

!

)

−"!"#$%&

= $

#

(! − & + $, χ)$#

(!, ξ),

'() *+',-'./0( '. ! = % − $ /1 *234*11*) .540-65 .5* 7'(8/(9:*,;*46

/(.*64', 0< " =/.5 .5* 340)->. 0< .=0 ?/1*(1.*/( 1*4/*1 0< =*/65.1

% − $− * '() $+ * @

〈" ,+$− −%(ξ, χ)+ +%(ψξχ)〉 &" .

A(* )*B(*1 .5* C0)-,'4 )/1.4/;-./0(1 Φ%

0( .5* 640-3

, = ,/C

←−

"

(Z/-.'Z)× /( 1->5 ' ='D .5'. .5* C0)-,'4 <04C

Φ%

(χ) ∈ A[[/]] /1 .5* 340)->. 0< .5*1* ?/1*(1.*/( 1*4/*1 =/.5 +'4/';,*

>0*E>/*(.1 /( A@

01

$

(Φ%

(χ)) := (−$)%+$− −%(ξ, χ)+ +%(ψξχ) =: Φ% ,$(χ).

34

Page 129: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

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!"# $%#&'()#$)

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32,. = 4, . . . , ! − 56 7.' 8$9'0 :(

Φ

(" + (#$

! )) 3;<=>6

=∑

" !" #$

"

ψξ(%)∞∑

%≥#

%

3

+%

4

=%

&

('$

, "%)(

('%

, %))% ∈ A[[)]], ?*'.'

&

('$

, "%)(!) =∑

&

3

|%3

(%3

/&

3

)≡'" !" #$

"

ξ(*$

) !" (*$

)*(−%−

$

3;<=@6

(

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, %)(!) =∑

&

4

|%4

&

4

≡" !" #$

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%

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55

Page 130: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

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!∑

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(!

"

)

(−##

)!−"Φ"

(# + ($% )) !"#$%

=!∑

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(!

"

)

(−##

)!−"

∞∑

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$

3

+$

4

=#

"

$

(−#)"&"

('!

, #())"

('"

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?≡&('()%

! ).

*+, -. /0 '

!

+, '

"

12,3 '

!

+ '

"

= %

'4 +

!

|'!

56) +

"

|'"

12,3

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/+!

) ≡ #( '() $%

+, +

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≡ ( '() $%

4 56) 172,+ (689 ,3+ ,+7'.

132:3 )+;+6) (6 " <

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(!

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)

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('

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56)

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('

"

+

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+

"

)

≡ '()%

.

56

Page 131: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/)0*12#%& A")%!*#2 ',2( ℓα : Mα(A)† → A

!"#$%&'( A)!'*#&% +,%- ℓα : Mα(A)† → A

!" #$ %!$&'()! * +(,!*' -.'/ ℓα ., "0! +.&*++1 -'!! /.%#+!

M

(ψ;A)α = πα(M

(ψ;A)) .- 2,("! '*,34

!" #$! * )*$($ { !} .- Mα(A)† .5!' "0! 2!+% .- -'*&"(.,$ 6'*&(A)7 $#&0"0*"

= ($ 28!% 9.+!/*,:$ !(;!,5!&".' *$ *).5!7 *,%

!

*'!

!(;!,-#,&"(.,$ .- *++ <!&3! .=!'*".'$ !

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7 (" ∤ #$)4>!2,! ℓα(%) = &

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!

&

!

! , & ∈ A

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B!"!'$., ='.%#&" $0.?$C

'(

#

(ℓα(%)) = ℓα(#)(%#), ?0!'! %

#

= '(

#

(%) ∈M#

(#, ψ).

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#

"0'.#;0 "0!

@,.'/*+(G!%H B!"!'$$., $&*+*' ='.%#&"7 /.'!.5!'7 ℓα( ) = I4

34

Page 132: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/0,,' ,' 1#%! 23*,0*(

!""# "# $%&' ()*"!*+

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/01)$-,/$#&

*2 $%# !&'())(*(+($2 /-($#-(,' 03 %#0-#' 456 0,$ 03 7-0&,/$) 03

8()#1)$#(1 )#-(#) Φ!

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0;#- A<5 =#$ ,) /0'7,$# $%# (1$#>-!+)

!

"

(∫

#

χ" !

$

# µα,

)

= !

"

(ℓα(πα(Φ!

(χ))) = 9?56@<

!

"

(ℓα($−%πα, $

%Φ!

(χ)))

= ℓα(")(πα(")Φ! ,"(χ)) = α(%)−%

〈& "

,$%Φ! ,"(χ)〉

〈& "

, (&"

)

30- 7-('($(;# A(-(/%+#$ /%!-!/$#-) χ '0& '

%

B ,)(1> $%# -#+!$(01

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−%πα, ($%

()B .%#-#Φ

! ," = !

"

(Φ!

) = (−6)!)"−!−!

(ξ, χ))!+!

(ψξχ).45

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! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

/0,,' ,' 1#%! 23*,0*(

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;$.<,.=>"%7"0/ -'.#'%&),'.?

!

"

(" − # + 4, χ)!

"

(", ξ) = !

!

(@" + @− $ − # , ψξχ)

∞∑

"=

%

"

($)&"

'

−# ,

123426

A!"0" &

"

= σ$− ,χ,ξ(') =

% |",%>!

χ(()ξ('/()( $− , $0" )!"

B'&0,"0 -'"C-,".): '( $. D,:".:)",. :"0,": ) =∑∞

"=!

&

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*

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'(

A",/!) # A,)! -!$0$-)"0 χξ6 1,( χξ(−4) = (−4)$ 63E&) " = $ − 4F # = $ − 4− + F + = G, · · · $ − @ A,)! $ > @+ + F ,.)'

123426?

!

"

(4+ + , χ)!

"

($ − 4, ξ) = !

!

(4+ + , ψξχ)∞∑

"=

%

"

($)&"

'

−&+ .

45

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%&' .*#>"#?1'+@'A$ "#%'$A*+ "# %&' 32A;9

!

(ℓα(πα(Φ!

(χ))) = "

·#

ν!$ (χ)

α(%)ν&

∗"

"

(6+ ' , χ),

B&'A' (

±()

) =(−C*π) − 〈)

, )

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"

(% − 6, ξ),

$ (χ) ='#2%'! %&' D*)!! !); 23 %&' :&*A*:%'A χ ;2= #

#

- *#=

"

∈ Q× "! *# 'E<+":"% '+';'#%*A, :2#!%*#%/ F&'# 2#' *<<+"'!

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;'*!)A'! µ = µ" ,α "# %&' 32A; µ

" ,α = ℓ" ,α(Φ

α) 4$"J'# @, %&'!'()'#:' 23 %&' ="!%A"@)%"2#! Φα

!

= πα(Φ!

)8/

45

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! "#$%& '#(%)%*+ ,' !"'-!&.%,!+

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6&+,(--(./#- ,#&-0$#- µ = µ ,α () "%# !2$, µ

,α = ℓα(Φα)3 &-

#78/&()#+ &.2'#9

:)+##+3 1# 2."&() "%# !0)4"(2) () 50#-"(2) Lµ(! , ) .; #'&/0&"(2) &" = (", ψ) ∈ B< "%(- (- & #6&+(4 &)&/;"(4 !0)4"(2) () "12 '&$(&./#-

(! , ) ∈ $ ×B ⊂ $ × $ <

Lµ(! , ) := %&

(Lµ)(!) (! ∈ $ , ∈ B, Lµ(!) ∈ A).

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&?)2(+ )#(*%.20$%22+ &$20)+ = (", ψ) ∈ B !"#$ % &"'()

*"+",$-(# ,$%+%,#(+ ψ ./0 12

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45

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45

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Page 139: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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45

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Page 141: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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Page 145: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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Page 146: p-adic L-functions and modular forms.indico.ictp.it/.../58/contribution/34/material/0/0.pdf · 2014-05-05 · 2056-2 Advanced School and Workshop on p-adic Analysis and Applications

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