Properties

Label 392.6.a.b
Level $392$
Weight $6$
Character orbit 392.a
Self dual yes
Analytic conductor $62.870$
Analytic rank $1$
Dimension $1$
CM no
Inner twists $1$

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Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [392,6,Mod(1,392)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("392.1"); S:= CuspForms(chi, 6); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(392, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0])) N = Newforms(chi, 6, names="a")
 
Level: \( N \) \(=\) \( 392 = 2^{3} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 392.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [1,0,-20,0,74,0,0,0,157] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(9)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(62.8704573667\)
Analytic rank: \(1\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 8)
Fricke sign: \(+1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

Copy content comment:q-expansion
 
Copy content sage:f.q_expansion() # note that sage often uses an isomorphic number field
 
Copy content gp:mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q - 20 q^{3} + 74 q^{5} + 157 q^{9} + 124 q^{11} - 478 q^{13} - 1480 q^{15} + 1198 q^{17} - 3044 q^{19} + 184 q^{23} + 2351 q^{25} + 1720 q^{27} - 3282 q^{29} + 5728 q^{31} - 2480 q^{33} + 10326 q^{37}+ \cdots + 19468 q^{99}+O(q^{100}) \) Copy content Toggle raw display

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
0
0 −20.0000 0 74.0000 0 0 0 157.000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \( -1 \)
\(7\) \( -1 \)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 392.6.a.b 1
4.b odd 2 1 784.6.a.l 1
7.b odd 2 1 8.6.a.a 1
7.c even 3 2 392.6.i.e 2
7.d odd 6 2 392.6.i.b 2
21.c even 2 1 72.6.a.f 1
28.d even 2 1 16.6.a.a 1
35.c odd 2 1 200.6.a.a 1
35.f even 4 2 200.6.c.a 2
56.e even 2 1 64.6.a.g 1
56.h odd 2 1 64.6.a.a 1
77.b even 2 1 968.6.a.a 1
84.h odd 2 1 144.6.a.k 1
112.j even 4 2 256.6.b.d 2
112.l odd 4 2 256.6.b.f 2
140.c even 2 1 400.6.a.l 1
140.j odd 4 2 400.6.c.d 2
168.e odd 2 1 576.6.a.h 1
168.i even 2 1 576.6.a.g 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
8.6.a.a 1 7.b odd 2 1
16.6.a.a 1 28.d even 2 1
64.6.a.a 1 56.h odd 2 1
64.6.a.g 1 56.e even 2 1
72.6.a.f 1 21.c even 2 1
144.6.a.k 1 84.h odd 2 1
200.6.a.a 1 35.c odd 2 1
200.6.c.a 2 35.f even 4 2
256.6.b.d 2 112.j even 4 2
256.6.b.f 2 112.l odd 4 2
392.6.a.b 1 1.a even 1 1 trivial
392.6.i.b 2 7.d odd 6 2
392.6.i.e 2 7.c even 3 2
400.6.a.l 1 140.c even 2 1
400.6.c.d 2 140.j odd 4 2
576.6.a.g 1 168.i even 2 1
576.6.a.h 1 168.e odd 2 1
784.6.a.l 1 4.b odd 2 1
968.6.a.a 1 77.b even 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3} + 20 \) acting on \(S_{6}^{\mathrm{new}}(\Gamma_0(392))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T \) Copy content Toggle raw display
$3$ \( T + 20 \) Copy content Toggle raw display
$5$ \( T - 74 \) Copy content Toggle raw display
$7$ \( T \) Copy content Toggle raw display
$11$ \( T - 124 \) Copy content Toggle raw display
$13$ \( T + 478 \) Copy content Toggle raw display
$17$ \( T - 1198 \) Copy content Toggle raw display
$19$ \( T + 3044 \) Copy content Toggle raw display
$23$ \( T - 184 \) Copy content Toggle raw display
$29$ \( T + 3282 \) Copy content Toggle raw display
$31$ \( T - 5728 \) Copy content Toggle raw display
$37$ \( T - 10326 \) Copy content Toggle raw display
$41$ \( T - 8886 \) Copy content Toggle raw display
$43$ \( T + 9188 \) Copy content Toggle raw display
$47$ \( T + 23664 \) Copy content Toggle raw display
$53$ \( T - 11686 \) Copy content Toggle raw display
$59$ \( T + 16876 \) Copy content Toggle raw display
$61$ \( T - 18482 \) Copy content Toggle raw display
$67$ \( T + 15532 \) Copy content Toggle raw display
$71$ \( T + 31960 \) Copy content Toggle raw display
$73$ \( T - 4886 \) Copy content Toggle raw display
$79$ \( T - 44560 \) Copy content Toggle raw display
$83$ \( T + 67364 \) Copy content Toggle raw display
$89$ \( T + 71994 \) Copy content Toggle raw display
$97$ \( T + 48866 \) Copy content Toggle raw display
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