Properties

Label 578.2.c.e
Level $578$
Weight $2$
Character orbit 578.c
Analytic conductor $4.615$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [578,2,Mod(251,578)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(578, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("578.251");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 578 = 2 \cdot 17^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 578.c (of order \(4\), degree \(2\), not 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: \(4.61535323683\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(i)\)
Coefficient field: \(\Q(\zeta_{8})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 2^{2} \)
Twist minimal: no (minimal twist has level 34)
Sato-Tate group: $\mathrm{SU}(2)[C_{4}]$

$q$-expansion

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

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{2} q^{2} + \beta_1 q^{3} - q^{4} - \beta_{3} q^{6} + 2 \beta_{3} q^{7} + \beta_{2} q^{8} + \beta_{2} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{2} q^{2} + \beta_1 q^{3} - q^{4} - \beta_{3} q^{6} + 2 \beta_{3} q^{7} + \beta_{2} q^{8} + \beta_{2} q^{9} + 3 \beta_{3} q^{11} - \beta_1 q^{12} - 2 q^{13} + 2 \beta_1 q^{14} + q^{16} + q^{18} + 4 \beta_{2} q^{19} - 8 q^{21} + 3 \beta_1 q^{22} + \beta_{3} q^{24} - 5 \beta_{2} q^{25} + 2 \beta_{2} q^{26} - 2 \beta_{3} q^{27} - 2 \beta_{3} q^{28} + 2 \beta_1 q^{31} - \beta_{2} q^{32} - 12 q^{33} - \beta_{2} q^{36} + 2 \beta_1 q^{37} + 4 q^{38} - 2 \beta_1 q^{39} - 3 \beta_{3} q^{41} + 8 \beta_{2} q^{42} + 8 \beta_{2} q^{43} - 3 \beta_{3} q^{44} + \beta_1 q^{48} - 9 \beta_{2} q^{49} - 5 q^{50} + 2 q^{52} + 6 \beta_{2} q^{53} - 2 \beta_1 q^{54} - 2 \beta_1 q^{56} + 4 \beta_{3} q^{57} + 2 \beta_{3} q^{61} - 2 \beta_{3} q^{62} - 2 \beta_1 q^{63} - q^{64} + 12 \beta_{2} q^{66} + 8 q^{67} - q^{72} + \beta_1 q^{73} - 2 \beta_{3} q^{74} - 5 \beta_{3} q^{75} - 4 \beta_{2} q^{76} - 24 \beta_{2} q^{77} + 2 \beta_{3} q^{78} + 4 \beta_{3} q^{79} + 11 q^{81} - 3 \beta_1 q^{82} + 8 q^{84} + 8 q^{86} - 3 \beta_1 q^{88} + 6 q^{89} - 4 \beta_{3} q^{91} + 8 \beta_{2} q^{93} - \beta_{3} q^{96} + 7 \beta_1 q^{97} - 9 q^{98} - 3 \beta_1 q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 4 q^{4}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 4 q^{4} - 8 q^{13} + 4 q^{16} + 4 q^{18} - 32 q^{21} - 48 q^{33} + 16 q^{38} - 20 q^{50} + 8 q^{52} - 4 q^{64} + 32 q^{67} - 4 q^{72} + 44 q^{81} + 32 q^{84} + 32 q^{86} + 24 q^{89} - 36 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( 2\zeta_{8} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \zeta_{8}^{2} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( 2\zeta_{8}^{3} \) Copy content Toggle raw display
\(\zeta_{8}\)\(=\) \( ( \beta_1 ) / 2 \) Copy content Toggle raw display
\(\zeta_{8}^{2}\)\(=\) \( \beta_{2} \) Copy content Toggle raw display
\(\zeta_{8}^{3}\)\(=\) \( ( \beta_{3} ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/578\mathbb{Z}\right)^\times\).

\(n\) \(3\)
\(\chi(n)\) \(\beta_{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
251.1
−0.707107 0.707107i
0.707107 + 0.707107i
−0.707107 + 0.707107i
0.707107 0.707107i
1.00000i −1.41421 1.41421i −1.00000 0 −1.41421 + 1.41421i 2.82843 2.82843i 1.00000i 1.00000i 0
251.2 1.00000i 1.41421 + 1.41421i −1.00000 0 1.41421 1.41421i −2.82843 + 2.82843i 1.00000i 1.00000i 0
327.1 1.00000i −1.41421 + 1.41421i −1.00000 0 −1.41421 1.41421i 2.82843 + 2.82843i 1.00000i 1.00000i 0
327.2 1.00000i 1.41421 1.41421i −1.00000 0 1.41421 + 1.41421i −2.82843 2.82843i 1.00000i 1.00000i 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
17.b even 2 1 inner
17.c even 4 2 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 578.2.c.e 4
17.b even 2 1 inner 578.2.c.e 4
17.c even 4 2 inner 578.2.c.e 4
17.d even 8 1 34.2.a.a 1
17.d even 8 1 578.2.a.a 1
17.d even 8 2 578.2.b.a 2
17.e odd 16 8 578.2.d.e 8
51.g odd 8 1 306.2.a.a 1
51.g odd 8 1 5202.2.a.d 1
68.g odd 8 1 272.2.a.d 1
68.g odd 8 1 4624.2.a.a 1
85.k odd 8 1 850.2.c.b 2
85.m even 8 1 850.2.a.e 1
85.n odd 8 1 850.2.c.b 2
119.l odd 8 1 1666.2.a.m 1
136.o even 8 1 1088.2.a.l 1
136.p odd 8 1 1088.2.a.d 1
187.i odd 8 1 4114.2.a.a 1
204.p even 8 1 2448.2.a.k 1
221.p even 8 1 5746.2.a.b 1
255.y odd 8 1 7650.2.a.ci 1
340.ba odd 8 1 6800.2.a.b 1
408.bd even 8 1 9792.2.a.bj 1
408.be odd 8 1 9792.2.a.y 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
34.2.a.a 1 17.d even 8 1
272.2.a.d 1 68.g odd 8 1
306.2.a.a 1 51.g odd 8 1
578.2.a.a 1 17.d even 8 1
578.2.b.a 2 17.d even 8 2
578.2.c.e 4 1.a even 1 1 trivial
578.2.c.e 4 17.b even 2 1 inner
578.2.c.e 4 17.c even 4 2 inner
578.2.d.e 8 17.e odd 16 8
850.2.a.e 1 85.m even 8 1
850.2.c.b 2 85.k odd 8 1
850.2.c.b 2 85.n odd 8 1
1088.2.a.d 1 136.p odd 8 1
1088.2.a.l 1 136.o even 8 1
1666.2.a.m 1 119.l odd 8 1
2448.2.a.k 1 204.p even 8 1
4114.2.a.a 1 187.i odd 8 1
4624.2.a.a 1 68.g odd 8 1
5202.2.a.d 1 51.g odd 8 1
5746.2.a.b 1 221.p even 8 1
6800.2.a.b 1 340.ba odd 8 1
7650.2.a.ci 1 255.y odd 8 1
9792.2.a.y 1 408.be odd 8 1
9792.2.a.bj 1 408.bd even 8 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{4} + 16 \) acting on \(S_{2}^{\mathrm{new}}(578, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} + 1)^{2} \) Copy content Toggle raw display
$3$ \( T^{4} + 16 \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( T^{4} + 256 \) Copy content Toggle raw display
$11$ \( T^{4} + 1296 \) Copy content Toggle raw display
$13$ \( (T + 2)^{4} \) Copy content Toggle raw display
$17$ \( T^{4} \) Copy content Toggle raw display
$19$ \( (T^{2} + 16)^{2} \) Copy content Toggle raw display
$23$ \( T^{4} \) Copy content Toggle raw display
$29$ \( T^{4} \) Copy content Toggle raw display
$31$ \( T^{4} + 256 \) Copy content Toggle raw display
$37$ \( T^{4} + 256 \) Copy content Toggle raw display
$41$ \( T^{4} + 1296 \) Copy content Toggle raw display
$43$ \( (T^{2} + 64)^{2} \) Copy content Toggle raw display
$47$ \( T^{4} \) Copy content Toggle raw display
$53$ \( (T^{2} + 36)^{2} \) Copy content Toggle raw display
$59$ \( T^{4} \) Copy content Toggle raw display
$61$ \( T^{4} + 256 \) Copy content Toggle raw display
$67$ \( (T - 8)^{4} \) Copy content Toggle raw display
$71$ \( T^{4} \) Copy content Toggle raw display
$73$ \( T^{4} + 16 \) Copy content Toggle raw display
$79$ \( T^{4} + 4096 \) Copy content Toggle raw display
$83$ \( T^{4} \) Copy content Toggle raw display
$89$ \( (T - 6)^{4} \) Copy content Toggle raw display
$97$ \( T^{4} + 38416 \) Copy content Toggle raw display
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