Properties

Label 3204.1.cd.b
Level $3204$
Weight $1$
Character orbit 3204.cd
Analytic conductor $1.599$
Analytic rank $0$
Dimension $40$
Projective image $D_{88}$
CM discriminant -4
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3204,1,Mod(35,3204)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3204, base_ring=CyclotomicField(88))
 
chi = DirichletCharacter(H, H._module([44, 44, 63]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3204.35");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3204 = 2^{2} \cdot 3^{2} \cdot 89 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 3204.cd (of order \(88\), degree \(40\), minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(1.59900430048\)
Analytic rank: \(0\)
Dimension: \(40\)
Coefficient field: \(\Q(\zeta_{88})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{40} - x^{36} + x^{32} - x^{28} + x^{24} - x^{20} + x^{16} - x^{12} + x^{8} - x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{88}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{88} - \cdots)\)

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

The \(q\)-expansion and trace form are shown below.

\(f(q)\) \(=\) \( q + \zeta_{88}^{42} q^{2} - \zeta_{88}^{40} q^{4} + ( - \zeta_{88}^{35} + \zeta_{88}^{19}) q^{5} + \zeta_{88}^{38} q^{8} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{88}^{42} q^{2} - \zeta_{88}^{40} q^{4} + ( - \zeta_{88}^{35} + \zeta_{88}^{19}) q^{5} + \zeta_{88}^{38} q^{8} + (\zeta_{88}^{33} - \zeta_{88}^{17}) q^{10} + (\zeta_{88}^{12} + \zeta_{88}^{7}) q^{13} - \zeta_{88}^{36} q^{16} + (\zeta_{88}^{36} - \zeta_{88}^{34}) q^{17} + ( - \zeta_{88}^{31} + \zeta_{88}^{15}) q^{20} + (\zeta_{88}^{38} + \cdots + \zeta_{88}^{10}) q^{25} + \cdots - \zeta_{88}^{19} q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 40 q + 4 q^{4}+O(q^{10}) \) Copy content Toggle raw display \( 40 q + 4 q^{4} + 4 q^{13} - 4 q^{16} + 4 q^{17} + 4 q^{29} - 4 q^{34} - 4 q^{37} - 40 q^{41} - 4 q^{50} - 4 q^{52} + 4 q^{53} + 4 q^{64} - 4 q^{68}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3204\mathbb{Z}\right)^\times\).

\(n\) \(181\) \(713\) \(1603\)
\(\chi(n)\) \(-\zeta_{88}^{41}\) \(-1\) \(-1\)

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
35.1
0.0713392 0.997452i
−0.0713392 + 0.997452i
−0.997452 0.0713392i
−0.479249 + 0.877679i
−0.977147 + 0.212565i
−0.212565 0.977147i
0.877679 0.479249i
0.599278 + 0.800541i
0.936950 0.349464i
−0.349464 0.936950i
−0.936950 0.349464i
0.599278 0.800541i
−0.997452 + 0.0713392i
0.0713392 + 0.997452i
0.800541 + 0.599278i
−0.479249 0.877679i
−0.212565 + 0.977147i
−0.877679 0.479249i
−0.800541 + 0.599278i
−0.349464 + 0.936950i
0.989821 0.142315i 0 0.959493 0.281733i −0.377869 + 1.01311i 0 0 0.909632 0.415415i 0 −0.229843 + 1.05657i
143.1 0.989821 0.142315i 0 0.959493 0.281733i 0.377869 1.01311i 0 0 0.909632 0.415415i 0 0.229843 1.05657i
323.1 −0.989821 + 0.142315i 0 0.959493 0.281733i −1.01311 0.377869i 0 0 −0.909632 + 0.415415i 0 1.05657 + 0.229843i
359.1 0.540641 0.841254i 0 −0.415415 0.909632i 0.905808 + 1.21002i 0 0 −0.989821 0.142315i 0 1.50765 0.107829i
431.1 −0.909632 0.415415i 0 0.654861 + 0.755750i 0.948742 1.73749i 0 0 −0.281733 0.959493i 0 −1.58479 + 1.18636i
503.1 0.909632 + 0.415415i 0 0.654861 + 0.755750i −1.73749 0.948742i 0 0 0.281733 + 0.959493i 0 −1.18636 1.58479i
575.1 −0.540641 0.841254i 0 −0.415415 + 0.909632i −1.21002 0.905808i 0 0 0.989821 0.142315i 0 −0.107829 + 1.50765i
647.1 0.281733 + 0.959493i 0 −0.841254 + 0.540641i −0.129785 1.81463i 0 0 −0.755750 0.654861i 0 1.70456 0.635768i
683.1 −0.755750 0.654861i 0 0.142315 + 0.989821i −0.119773 0.550588i 0 0 0.540641 0.841254i 0 −0.270040 + 0.494541i
719.1 0.755750 + 0.654861i 0 0.142315 + 0.989821i 0.550588 0.119773i 0 0 −0.540641 + 0.841254i 0 0.494541 + 0.270040i
755.1 −0.755750 + 0.654861i 0 0.142315 0.989821i 0.119773 0.550588i 0 0 0.540641 + 0.841254i 0 0.270040 + 0.494541i
827.1 0.281733 0.959493i 0 −0.841254 0.540641i −0.129785 + 1.81463i 0 0 −0.755750 + 0.654861i 0 1.70456 + 0.635768i
863.1 −0.989821 0.142315i 0 0.959493 + 0.281733i −1.01311 + 0.377869i 0 0 −0.909632 0.415415i 0 1.05657 0.229843i
1007.1 0.989821 + 0.142315i 0 0.959493 + 0.281733i −0.377869 1.01311i 0 0 0.909632 + 0.415415i 0 −0.229843 1.05657i
1151.1 −0.281733 + 0.959493i 0 −0.841254 0.540641i 1.81463 + 0.129785i 0 0 0.755750 0.654861i 0 −0.635768 + 1.70456i
1187.1 0.540641 + 0.841254i 0 −0.415415 + 0.909632i 0.905808 1.21002i 0 0 −0.989821 + 0.142315i 0 1.50765 + 0.107829i
1223.1 0.909632 0.415415i 0 0.654861 0.755750i −1.73749 + 0.948742i 0 0 0.281733 0.959493i 0 −1.18636 + 1.58479i
1259.1 −0.540641 + 0.841254i 0 −0.415415 0.909632i 1.21002 0.905808i 0 0 0.989821 + 0.142315i 0 0.107829 + 1.50765i
1439.1 −0.281733 0.959493i 0 −0.841254 + 0.540641i −1.81463 + 0.129785i 0 0 0.755750 + 0.654861i 0 0.635768 + 1.70456i
1475.1 0.755750 0.654861i 0 0.142315 0.989821i 0.550588 + 0.119773i 0 0 −0.540641 0.841254i 0 0.494541 0.270040i
See all 40 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 35.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 CM by \(\Q(\sqrt{-1}) \)
267.p even 88 1 inner
1068.bf odd 88 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3204.1.cd.b yes 40
3.b odd 2 1 3204.1.cd.a 40
4.b odd 2 1 CM 3204.1.cd.b yes 40
12.b even 2 1 3204.1.cd.a 40
89.h odd 88 1 3204.1.cd.a 40
267.p even 88 1 inner 3204.1.cd.b yes 40
356.o even 88 1 3204.1.cd.a 40
1068.bf odd 88 1 inner 3204.1.cd.b yes 40
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3204.1.cd.a 40 3.b odd 2 1
3204.1.cd.a 40 12.b even 2 1
3204.1.cd.a 40 89.h odd 88 1
3204.1.cd.a 40 356.o even 88 1
3204.1.cd.b yes 40 1.a even 1 1 trivial
3204.1.cd.b yes 40 4.b odd 2 1 CM
3204.1.cd.b yes 40 267.p even 88 1 inner
3204.1.cd.b yes 40 1068.bf odd 88 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{17}^{20} - 2 T_{17}^{19} + 2 T_{17}^{18} - 4 T_{17}^{16} - 36 T_{17}^{15} + 80 T_{17}^{14} - 88 T_{17}^{13} + \cdots + 1 \) acting on \(S_{1}^{\mathrm{new}}(3204, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{20} - T^{18} + T^{16} + \cdots + 1)^{2} \) Copy content Toggle raw display
$3$ \( T^{40} \) Copy content Toggle raw display
$5$ \( T^{40} + 44 T^{32} + \cdots + 14641 \) Copy content Toggle raw display
$7$ \( T^{40} \) Copy content Toggle raw display
$11$ \( T^{40} \) Copy content Toggle raw display
$13$ \( T^{40} - 4 T^{39} + \cdots + 1 \) Copy content Toggle raw display
$17$ \( (T^{20} - 2 T^{19} + \cdots + 1)^{2} \) Copy content Toggle raw display
$19$ \( T^{40} \) Copy content Toggle raw display
$23$ \( T^{40} \) Copy content Toggle raw display
$29$ \( T^{40} - 4 T^{39} + \cdots + 1 \) Copy content Toggle raw display
$31$ \( T^{40} \) Copy content Toggle raw display
$37$ \( T^{40} + 4 T^{39} + \cdots + 1 \) Copy content Toggle raw display
$41$ \( T^{40} + 40 T^{39} + \cdots + 1 \) Copy content Toggle raw display
$43$ \( T^{40} \) Copy content Toggle raw display
$47$ \( T^{40} \) Copy content Toggle raw display
$53$ \( (T^{20} - 2 T^{19} + \cdots + 1)^{2} \) Copy content Toggle raw display
$59$ \( T^{40} \) Copy content Toggle raw display
$61$ \( T^{40} - 2 T^{38} + \cdots + 1 \) Copy content Toggle raw display
$67$ \( T^{40} \) Copy content Toggle raw display
$71$ \( T^{40} \) Copy content Toggle raw display
$73$ \( (T^{20} - 4 T^{18} + \cdots + 1)^{2} \) Copy content Toggle raw display
$79$ \( T^{40} \) Copy content Toggle raw display
$83$ \( T^{40} \) Copy content Toggle raw display
$89$ \( T^{40} - T^{36} + \cdots + 1 \) Copy content Toggle raw display
$97$ \( T^{40} + 4 T^{38} + \cdots + 1 \) Copy content Toggle raw display
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