Properties

Label 3640.1.ga.e
Level $3640$
Weight $1$
Character orbit 3640.ga
Analytic conductor $1.817$
Analytic rank $0$
Dimension $4$
Projective image $D_{6}$
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] = [3640,1,Mod(69,3640)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3640, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 3, 3, 3, 1]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3640.69");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3640 = 2^{3} \cdot 5 \cdot 7 \cdot 13 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 3640.ga (of order \(6\), degree \(2\), 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: \(1.81659664598\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\zeta_{12})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{6}\)
Projective field: Galois closure of 6.0.1018827992000.5

$q$-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.

\(f(q)\) \(=\) \( q + \zeta_{12}^{4} q^{2} - \zeta_{12} q^{3} - \zeta_{12}^{2} q^{4} + \zeta_{12} q^{5} - \zeta_{12}^{5} q^{6} + \zeta_{12}^{2} q^{7} + q^{8} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{12}^{4} q^{2} - \zeta_{12} q^{3} - \zeta_{12}^{2} q^{4} + \zeta_{12} q^{5} - \zeta_{12}^{5} q^{6} + \zeta_{12}^{2} q^{7} + q^{8} + \zeta_{12}^{5} q^{10} + \zeta_{12}^{3} q^{12} - \zeta_{12}^{5} q^{13} - q^{14} - \zeta_{12}^{2} q^{15} + \zeta_{12}^{4} q^{16} + \zeta_{12}^{5} q^{19} - \zeta_{12}^{3} q^{20} - \zeta_{12}^{3} q^{21} + (\zeta_{12}^{2} + 1) q^{23} - \zeta_{12} q^{24} + \zeta_{12}^{2} q^{25} + \zeta_{12}^{3} q^{26} + \zeta_{12}^{3} q^{27} - \zeta_{12}^{4} q^{28} + q^{30} - \zeta_{12}^{2} q^{32} + \zeta_{12}^{3} q^{35} - 2 \zeta_{12}^{3} q^{38} - q^{39} + \zeta_{12} q^{40} + \zeta_{12} q^{42} + (\zeta_{12}^{4} - 1) q^{46} - \zeta_{12}^{5} q^{48} + \zeta_{12}^{4} q^{49} - q^{50} - \zeta_{12} q^{52} - \zeta_{12} q^{54} + \zeta_{12}^{2} q^{56} + 2 q^{57} - \zeta_{12}^{5} q^{59} + \zeta_{12}^{4} q^{60} + ( - \zeta_{12}^{3} - \zeta_{12}) q^{61} + q^{64} + q^{65} + ( - \zeta_{12}^{3} - \zeta_{12}) q^{69} - \zeta_{12} q^{70} + (\zeta_{12}^{4} - 1) q^{71} - \zeta_{12}^{3} q^{75} + 2 \zeta_{12} q^{76} - \zeta_{12}^{4} q^{78} + q^{79} + \zeta_{12}^{5} q^{80} - \zeta_{12}^{4} q^{81} + \zeta_{12}^{5} q^{84} + \zeta_{12} q^{91} + ( - \zeta_{12}^{4} - \zeta_{12}^{2}) q^{92} - 2 q^{95} + \zeta_{12}^{3} q^{96} - \zeta_{12}^{2} q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 2 q^{2} - 2 q^{4} + 2 q^{7} + 4 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 2 q^{2} - 2 q^{4} + 2 q^{7} + 4 q^{8} - 4 q^{14} - 2 q^{15} - 2 q^{16} + 6 q^{23} + 2 q^{25} + 2 q^{28} + 4 q^{30} - 2 q^{32} - 4 q^{39} - 6 q^{46} - 2 q^{49} - 4 q^{50} + 2 q^{56} + 8 q^{57} - 2 q^{60} + 4 q^{64} + 4 q^{65} - 6 q^{71} + 2 q^{78} + 8 q^{79} + 2 q^{81} - 8 q^{95} - 2 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3640\mathbb{Z}\right)^\times\).

\(n\) \(521\) \(561\) \(911\) \(1457\) \(1821\)
\(\chi(n)\) \(-1\) \(\zeta_{12}^{2}\) \(1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
69.1
0.866025 + 0.500000i
−0.866025 0.500000i
0.866025 0.500000i
−0.866025 + 0.500000i
−0.500000 + 0.866025i −0.866025 0.500000i −0.500000 0.866025i 0.866025 + 0.500000i 0.866025 0.500000i 0.500000 + 0.866025i 1.00000 0 −0.866025 + 0.500000i
69.2 −0.500000 + 0.866025i 0.866025 + 0.500000i −0.500000 0.866025i −0.866025 0.500000i −0.866025 + 0.500000i 0.500000 + 0.866025i 1.00000 0 0.866025 0.500000i
3429.1 −0.500000 0.866025i −0.866025 + 0.500000i −0.500000 + 0.866025i 0.866025 0.500000i 0.866025 + 0.500000i 0.500000 0.866025i 1.00000 0 −0.866025 0.500000i
3429.2 −0.500000 0.866025i 0.866025 0.500000i −0.500000 + 0.866025i −0.866025 + 0.500000i −0.866025 0.500000i 0.500000 0.866025i 1.00000 0 0.866025 + 0.500000i
\(n\): e.g. 2-40 or 990-1000
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
65.l even 6 1 inner
455.be odd 6 1 inner
520.bp even 6 1 inner
3640.ga odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3640.1.ga.e 4
5.b even 2 1 3640.1.ga.f yes 4
7.b odd 2 1 inner 3640.1.ga.e 4
8.b even 2 1 inner 3640.1.ga.e 4
13.e even 6 1 3640.1.ga.f yes 4
35.c odd 2 1 3640.1.ga.f yes 4
40.f even 2 1 3640.1.ga.f yes 4
56.h odd 2 1 CM 3640.1.ga.e 4
65.l even 6 1 inner 3640.1.ga.e 4
91.t odd 6 1 3640.1.ga.f yes 4
104.s even 6 1 3640.1.ga.f yes 4
280.c odd 2 1 3640.1.ga.f yes 4
455.be odd 6 1 inner 3640.1.ga.e 4
520.bp even 6 1 inner 3640.1.ga.e 4
728.bl odd 6 1 3640.1.ga.f yes 4
3640.ga odd 6 1 inner 3640.1.ga.e 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3640.1.ga.e 4 1.a even 1 1 trivial
3640.1.ga.e 4 7.b odd 2 1 inner
3640.1.ga.e 4 8.b even 2 1 inner
3640.1.ga.e 4 56.h odd 2 1 CM
3640.1.ga.e 4 65.l even 6 1 inner
3640.1.ga.e 4 455.be odd 6 1 inner
3640.1.ga.e 4 520.bp even 6 1 inner
3640.1.ga.e 4 3640.ga odd 6 1 inner
3640.1.ga.f yes 4 5.b even 2 1
3640.1.ga.f yes 4 13.e even 6 1
3640.1.ga.f yes 4 35.c odd 2 1
3640.1.ga.f yes 4 40.f even 2 1
3640.1.ga.f yes 4 91.t odd 6 1
3640.1.ga.f yes 4 104.s even 6 1
3640.1.ga.f yes 4 280.c odd 2 1
3640.1.ga.f yes 4 728.bl odd 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{1}^{\mathrm{new}}(3640, [\chi])\):

\( T_{3}^{4} - T_{3}^{2} + 1 \) Copy content Toggle raw display
\( T_{23}^{2} - 3T_{23} + 3 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} + T + 1)^{2} \) Copy content Toggle raw display
$3$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$5$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$7$ \( (T^{2} - T + 1)^{2} \) Copy content Toggle raw display
$11$ \( T^{4} \) Copy content Toggle raw display
$13$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$17$ \( T^{4} \) Copy content Toggle raw display
$19$ \( T^{4} - 4T^{2} + 16 \) Copy content Toggle raw display
$23$ \( (T^{2} - 3 T + 3)^{2} \) Copy content Toggle raw display
$29$ \( T^{4} \) Copy content Toggle raw display
$31$ \( T^{4} \) Copy content Toggle raw display
$37$ \( T^{4} \) Copy content Toggle raw display
$41$ \( T^{4} \) Copy content Toggle raw display
$43$ \( T^{4} \) Copy content Toggle raw display
$47$ \( T^{4} \) Copy content Toggle raw display
$53$ \( T^{4} \) Copy content Toggle raw display
$59$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$61$ \( T^{4} + 3T^{2} + 9 \) Copy content Toggle raw display
$67$ \( T^{4} \) Copy content Toggle raw display
$71$ \( (T^{2} + 3 T + 3)^{2} \) Copy content Toggle raw display
$73$ \( T^{4} \) Copy content Toggle raw display
$79$ \( (T - 2)^{4} \) Copy content Toggle raw display
$83$ \( T^{4} \) Copy content Toggle raw display
$89$ \( T^{4} \) Copy content Toggle raw display
$97$ \( T^{4} \) Copy content Toggle raw display
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