Properties

Label 3864.1.cx.b
Level $3864$
Weight $1$
Character orbit 3864.cx
Analytic conductor $1.928$
Analytic rank $0$
Dimension $40$
Projective image $D_{44}$
CM discriminant -56
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3864,1,Mod(125,3864)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3864, base_ring=CyclotomicField(22))
 
chi = DirichletCharacter(H, H._module([0, 11, 11, 11, 3]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3864.125");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3864 = 2^{3} \cdot 3 \cdot 7 \cdot 23 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 3864.cx (of order \(22\), degree \(10\), 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: \(1.92838720881\)
Analytic rank: \(0\)
Dimension: \(40\)
Relative dimension: \(4\) over \(\Q(\zeta_{22})\)
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: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{44}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{44} - \cdots)\)

$q$-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.

\(f(q)\) \(=\) \( q + \zeta_{88}^{6} q^{2} - \zeta_{88}^{11} q^{3} + \zeta_{88}^{12} q^{4} + ( - \zeta_{88}^{27} + \zeta_{88}) q^{5} - \zeta_{88}^{17} q^{6} - \zeta_{88}^{2} q^{7} + \zeta_{88}^{18} q^{8} + \zeta_{88}^{22} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{88}^{6} q^{2} - \zeta_{88}^{11} q^{3} + \zeta_{88}^{12} q^{4} + ( - \zeta_{88}^{27} + \zeta_{88}) q^{5} - \zeta_{88}^{17} q^{6} - \zeta_{88}^{2} q^{7} + \zeta_{88}^{18} q^{8} + \zeta_{88}^{22} q^{9} + ( - \zeta_{88}^{33} + \zeta_{88}^{7}) q^{10} - \zeta_{88}^{23} q^{12} + (\zeta_{88}^{25} + \zeta_{88}^{15}) q^{13} - \zeta_{88}^{8} q^{14} + (\zeta_{88}^{38} - \zeta_{88}^{12}) q^{15} + \zeta_{88}^{24} q^{16} + \zeta_{88}^{28} q^{18} + ( - \zeta_{88}^{37} - \zeta_{88}^{31}) q^{19} + ( - \zeta_{88}^{39} + \zeta_{88}^{13}) q^{20} + \zeta_{88}^{13} q^{21} + \zeta_{88}^{20} q^{23} - \zeta_{88}^{29} q^{24} + ( - \zeta_{88}^{28} + \cdots + \zeta_{88}^{2}) q^{25} + \cdots + \zeta_{88}^{10} q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 40 q + 4 q^{4}+O(q^{10}) \) Copy content Toggle raw display \( 40 q + 4 q^{4} + 4 q^{14} - 4 q^{15} - 4 q^{16} + 4 q^{18} + 4 q^{23} - 4 q^{25} - 40 q^{30} - 4 q^{39} + 4 q^{49} - 4 q^{56} - 4 q^{57} + 4 q^{60} + 4 q^{63} + 4 q^{64} - 8 q^{65} - 4 q^{72} + 4 q^{78} - 40 q^{81} - 4 q^{92}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3864\mathbb{Z}\right)^\times\).

\(n\) \(967\) \(1289\) \(1933\) \(2761\) \(2857\)
\(\chi(n)\) \(1\) \(-1\) \(-1\) \(-1\) \(\zeta_{88}^{28}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
125.1
0.800541 0.599278i
−0.800541 + 0.599278i
−0.599278 0.800541i
0.599278 + 0.800541i
−0.0713392 + 0.997452i
0.0713392 0.997452i
0.997452 + 0.0713392i
−0.997452 0.0713392i
0.877679 0.479249i
−0.877679 + 0.479249i
0.479249 + 0.877679i
−0.479249 0.877679i
0.877679 + 0.479249i
−0.877679 0.479249i
0.479249 0.877679i
−0.479249 + 0.877679i
−0.936950 + 0.349464i
0.936950 0.349464i
0.349464 + 0.936950i
−0.349464 0.936950i
−0.755750 + 0.654861i −0.707107 + 0.707107i 0.142315 0.989821i 0.729202 1.59673i 0.0713392 0.997452i −0.281733 + 0.959493i 0.540641 + 0.841254i 1.00000i 0.494541 + 1.68425i
125.2 −0.755750 + 0.654861i 0.707107 0.707107i 0.142315 0.989821i −0.729202 + 1.59673i −0.0713392 + 0.997452i −0.281733 + 0.959493i 0.540641 + 0.841254i 1.00000i −0.494541 1.68425i
125.3 0.755750 0.654861i −0.707107 0.707107i 0.142315 0.989821i 0.398174 0.871880i −0.997452 0.0713392i 0.281733 0.959493i −0.540641 0.841254i 1.00000i −0.270040 0.919672i
125.4 0.755750 0.654861i 0.707107 + 0.707107i 0.142315 0.989821i −0.398174 + 0.871880i 0.997452 + 0.0713392i 0.281733 0.959493i −0.540641 0.841254i 1.00000i 0.270040 + 0.919672i
293.1 −0.909632 0.415415i −0.707107 + 0.707107i 0.654861 + 0.755750i −1.00829 + 0.647988i 0.936950 0.349464i 0.989821 + 0.142315i −0.281733 0.959493i 1.00000i 1.18636 0.170572i
293.2 −0.909632 0.415415i 0.707107 0.707107i 0.654861 + 0.755750i 1.00829 0.647988i −0.936950 + 0.349464i 0.989821 + 0.142315i −0.281733 0.959493i 1.00000i −1.18636 + 0.170572i
293.3 0.909632 + 0.415415i −0.707107 0.707107i 0.654861 + 0.755750i 1.34692 0.865611i −0.349464 0.936950i −0.989821 0.142315i 0.281733 + 0.959493i 1.00000i 1.58479 0.227858i
293.4 0.909632 + 0.415415i 0.707107 + 0.707107i 0.654861 + 0.755750i −1.34692 + 0.865611i 0.349464 + 0.936950i −0.989821 0.142315i 0.281733 + 0.959493i 1.00000i −1.58479 + 0.227858i
797.1 −0.989821 0.142315i −0.707107 0.707107i 0.959493 + 0.281733i 0.278401 + 0.321292i 0.599278 + 0.800541i −0.540641 + 0.841254i −0.909632 0.415415i 1.00000i −0.229843 0.357643i
797.2 −0.989821 0.142315i 0.707107 + 0.707107i 0.959493 + 0.281733i −0.278401 0.321292i −0.599278 0.800541i −0.540641 + 0.841254i −0.909632 0.415415i 1.00000i 0.229843 + 0.357643i
797.3 0.989821 + 0.142315i −0.707107 + 0.707107i 0.959493 + 0.281733i 1.27979 + 1.47696i −0.800541 + 0.599278i 0.540641 0.841254i 0.909632 + 0.415415i 1.00000i 1.05657 + 1.64406i
797.4 0.989821 + 0.142315i 0.707107 0.707107i 0.959493 + 0.281733i −1.27979 1.47696i 0.800541 0.599278i 0.540641 0.841254i 0.909632 + 0.415415i 1.00000i −1.05657 1.64406i
1469.1 −0.989821 + 0.142315i −0.707107 + 0.707107i 0.959493 0.281733i 0.278401 0.321292i 0.599278 0.800541i −0.540641 0.841254i −0.909632 + 0.415415i 1.00000i −0.229843 + 0.357643i
1469.2 −0.989821 + 0.142315i 0.707107 0.707107i 0.959493 0.281733i −0.278401 + 0.321292i −0.599278 + 0.800541i −0.540641 0.841254i −0.909632 + 0.415415i 1.00000i 0.229843 0.357643i
1469.3 0.989821 0.142315i −0.707107 0.707107i 0.959493 0.281733i 1.27979 1.47696i −0.800541 0.599278i 0.540641 + 0.841254i 0.909632 0.415415i 1.00000i 1.05657 1.64406i
1469.4 0.989821 0.142315i 0.707107 + 0.707107i 0.959493 0.281733i −1.27979 + 1.47696i 0.800541 + 0.599278i 0.540641 + 0.841254i 0.909632 0.415415i 1.00000i −1.05657 + 1.64406i
1805.1 −0.540641 0.841254i −0.707107 + 0.707107i −0.415415 + 0.909632i −1.91410 + 0.562029i 0.977147 + 0.212565i −0.755750 + 0.654861i 0.989821 0.142315i 1.00000i 1.50765 + 1.30638i
1805.2 −0.540641 0.841254i 0.707107 0.707107i −0.415415 + 0.909632i 1.91410 0.562029i −0.977147 0.212565i −0.755750 + 0.654861i 0.989821 0.142315i 1.00000i −1.50765 1.30638i
1805.3 0.540641 + 0.841254i −0.707107 0.707107i −0.415415 + 0.909632i 0.136899 0.0401971i 0.212565 0.977147i 0.755750 0.654861i −0.989821 + 0.142315i 1.00000i 0.107829 + 0.0934345i
1805.4 0.540641 + 0.841254i 0.707107 + 0.707107i −0.415415 + 0.909632i −0.136899 + 0.0401971i −0.212565 + 0.977147i 0.755750 0.654861i −0.989821 + 0.142315i 1.00000i −0.107829 0.0934345i
See all 40 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 125.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
56.h odd 2 1 CM by \(\Q(\sqrt{-14}) \)
7.b odd 2 1 inner
8.b even 2 1 inner
69.g even 22 1 inner
483.w odd 22 1 inner
552.bf even 22 1 inner
3864.cx odd 22 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3864.1.cx.b yes 40
3.b odd 2 1 3864.1.cx.a 40
7.b odd 2 1 inner 3864.1.cx.b yes 40
8.b even 2 1 inner 3864.1.cx.b yes 40
21.c even 2 1 3864.1.cx.a 40
23.d odd 22 1 3864.1.cx.a 40
24.h odd 2 1 3864.1.cx.a 40
56.h odd 2 1 CM 3864.1.cx.b yes 40
69.g even 22 1 inner 3864.1.cx.b yes 40
161.k even 22 1 3864.1.cx.a 40
168.i even 2 1 3864.1.cx.a 40
184.m odd 22 1 3864.1.cx.a 40
483.w odd 22 1 inner 3864.1.cx.b yes 40
552.bf even 22 1 inner 3864.1.cx.b yes 40
1288.bk even 22 1 3864.1.cx.a 40
3864.cx odd 22 1 inner 3864.1.cx.b yes 40
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3864.1.cx.a 40 3.b odd 2 1
3864.1.cx.a 40 21.c even 2 1
3864.1.cx.a 40 23.d odd 22 1
3864.1.cx.a 40 24.h odd 2 1
3864.1.cx.a 40 161.k even 22 1
3864.1.cx.a 40 168.i even 2 1
3864.1.cx.a 40 184.m odd 22 1
3864.1.cx.a 40 1288.bk even 22 1
3864.1.cx.b yes 40 1.a even 1 1 trivial
3864.1.cx.b yes 40 7.b odd 2 1 inner
3864.1.cx.b yes 40 8.b even 2 1 inner
3864.1.cx.b yes 40 56.h odd 2 1 CM
3864.1.cx.b yes 40 69.g even 22 1 inner
3864.1.cx.b yes 40 483.w odd 22 1 inner
3864.1.cx.b yes 40 552.bf even 22 1 inner
3864.1.cx.b yes 40 3864.cx odd 22 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{137}^{5} - T_{137}^{4} - 4T_{137}^{3} + 3T_{137}^{2} + 3T_{137} - 1 \) acting on \(S_{1}^{\mathrm{new}}(3864, [\chi])\). 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
$3$ \( (T^{4} + 1)^{10} \) Copy content Toggle raw display
$5$ \( T^{40} + 4 T^{38} + \cdots + 1 \) Copy content Toggle raw display
$7$ \( (T^{20} - T^{18} + T^{16} + \cdots + 1)^{2} \) Copy content Toggle raw display
$11$ \( T^{40} \) Copy content Toggle raw display
$13$ \( T^{40} + 4 T^{38} + \cdots + 1 \) Copy content Toggle raw display
$17$ \( T^{40} \) Copy content Toggle raw display
$19$ \( T^{40} - 4 T^{38} + \cdots + 1 \) Copy content Toggle raw display
$23$ \( (T^{10} - T^{9} + T^{8} + \cdots + 1)^{4} \) Copy content Toggle raw display
$29$ \( T^{40} \) Copy content Toggle raw display
$31$ \( T^{40} \) Copy content Toggle raw display
$37$ \( T^{40} \) Copy content Toggle raw display
$41$ \( T^{40} \) Copy content Toggle raw display
$43$ \( T^{40} \) Copy content Toggle raw display
$47$ \( T^{40} \) Copy content Toggle raw display
$53$ \( T^{40} \) Copy content Toggle raw display
$59$ \( T^{40} - 4 T^{38} + \cdots + 1 \) Copy content Toggle raw display
$61$ \( (T^{20} - 2 T^{18} + \cdots + 1024)^{2} \) Copy content Toggle raw display
$67$ \( T^{40} \) Copy content Toggle raw display
$71$ \( (T^{20} + 7 T^{18} + \cdots + 1)^{2} \) Copy content Toggle raw display
$73$ \( T^{40} \) Copy content Toggle raw display
$79$ \( (T^{20} - 4 T^{18} + \cdots + 1)^{2} \) Copy content Toggle raw display
$83$ \( T^{40} + 4 T^{38} + \cdots + 1 \) Copy content Toggle raw display
$89$ \( T^{40} \) Copy content Toggle raw display
$97$ \( T^{40} \) Copy content Toggle raw display
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