Properties

Label 392.6.a.l
Level $392$
Weight $6$
Character orbit 392.a
Self dual yes
Analytic conductor $62.870$
Analytic rank $0$
Dimension $5$
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 = [5,0,13,0,31,0,0,0,230] 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: \(0\)
Dimension: \(5\)
Coefficient field: \(\mathbb{Q}[x]/(x^{5} - \cdots)\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{5} - 167x^{3} - 387x^{2} + 1720x + 2340 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2^{9}\cdot 7 \)
Twist minimal: no (minimal twist has level 56)
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)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\beta_2,\beta_3,\beta_4\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \beta_1 + 3) q^{3} + (\beta_{3} + 6) q^{5} + (2 \beta_{3} + \beta_{2} - 4 \beta_1 + 47) q^{9} + (\beta_{4} + 2 \beta_{3} - 3 \beta_{2} + \cdots - 72) q^{11} + ( - 2 \beta_{4} + 8 \beta_{3} + \cdots - 15) q^{13}+ \cdots + (197 \beta_{4} - 872 \beta_{3} + \cdots - 61297) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 5 q + 13 q^{3} + 31 q^{5} + 230 q^{9} - 351 q^{11} - 54 q^{13} + 607 q^{15} + 111 q^{17} + 1035 q^{19} + 3639 q^{23} + 1540 q^{25} + 3607 q^{27} - 734 q^{29} + 7677 q^{31} - 7439 q^{33} + 13595 q^{37} - 1406 q^{39}+ \cdots - 300154 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{5} - 167x^{3} - 387x^{2} + 1720x + 2340 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -133\nu^{4} + 490\nu^{3} + 21255\nu^{2} - 17495\nu - 229698 ) / 8068 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 91\nu^{4} + 514\nu^{3} - 21337\nu^{2} - 37287\nu + 416824 ) / 4034 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 74\nu^{4} + 152\nu^{3} - 12918\nu^{2} - 54082\nu + 104341 ) / 2017 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -1485\nu^{4} + 2074\nu^{3} + 227615\nu^{2} + 176881\nu - 1166786 ) / 8068 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{4} - 4\beta_{3} + 2\beta_{2} + 5\beta _1 - 2 ) / 56 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -17\beta_{4} - 19\beta_{3} - 15\beta_{2} + 127\beta _1 + 3690 ) / 56 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -97\beta_{4} - 192\beta_{3} + 131\beta_{2} + 835\beta _1 + 6141 ) / 28 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -3300\beta_{4} - 3925\beta_{3} - 1695\beta_{2} + 22394\beta _1 + 538504 ) / 56 \) 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
−4.45227
13.6096
−10.9009
2.94609
−1.20248
0 −18.5692 0 57.9194 0 0 0 101.814 0
1.2 0 −14.5316 0 −44.8226 0 0 0 −31.8333 0
1.3 0 6.22560 0 9.40551 0 0 0 −204.242 0
1.4 0 14.6817 0 −72.1603 0 0 0 −27.4480 0
1.5 0 25.1934 0 80.6580 0 0 0 391.710 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1.5
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.l 5
4.b odd 2 1 784.6.a.bj 5
7.b odd 2 1 392.6.a.i 5
7.c even 3 2 56.6.i.a 10
7.d odd 6 2 392.6.i.p 10
21.h odd 6 2 504.6.s.d 10
28.d even 2 1 784.6.a.bm 5
28.g odd 6 2 112.6.i.g 10
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
56.6.i.a 10 7.c even 3 2
112.6.i.g 10 28.g odd 6 2
392.6.a.i 5 7.b odd 2 1
392.6.a.l 5 1.a even 1 1 trivial
392.6.i.p 10 7.d odd 6 2
504.6.s.d 10 21.h odd 6 2
784.6.a.bj 5 4.b odd 2 1
784.6.a.bm 5 28.d even 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{5} - 13T_{3}^{4} - 638T_{3}^{3} + 5718T_{3}^{2} + 90573T_{3} - 621369 \) acting on \(S_{6}^{\mathrm{new}}(\Gamma_0(392))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{5} \) Copy content Toggle raw display
$3$ \( T^{5} - 13 T^{4} + \cdots - 621369 \) Copy content Toggle raw display
$5$ \( T^{5} - 31 T^{4} + \cdots - 142117891 \) Copy content Toggle raw display
$7$ \( T^{5} \) Copy content Toggle raw display
$11$ \( T^{5} + \cdots + 16452319223691 \) Copy content Toggle raw display
$13$ \( T^{5} + \cdots + 173219419488 \) Copy content Toggle raw display
$17$ \( T^{5} + \cdots + 49362505838685 \) Copy content Toggle raw display
$19$ \( T^{5} + \cdots + 151493645339129 \) Copy content Toggle raw display
$23$ \( T^{5} + \cdots + 18\!\cdots\!17 \) Copy content Toggle raw display
$29$ \( T^{5} + \cdots - 36\!\cdots\!96 \) Copy content Toggle raw display
$31$ \( T^{5} + \cdots + 12\!\cdots\!15 \) Copy content Toggle raw display
$37$ \( T^{5} + \cdots + 83\!\cdots\!09 \) Copy content Toggle raw display
$41$ \( T^{5} + \cdots - 92\!\cdots\!36 \) Copy content Toggle raw display
$43$ \( T^{5} + \cdots + 27\!\cdots\!28 \) Copy content Toggle raw display
$47$ \( T^{5} + \cdots - 77\!\cdots\!15 \) Copy content Toggle raw display
$53$ \( T^{5} + \cdots - 12\!\cdots\!71 \) Copy content Toggle raw display
$59$ \( T^{5} + \cdots + 17\!\cdots\!75 \) Copy content Toggle raw display
$61$ \( T^{5} + \cdots + 25\!\cdots\!45 \) Copy content Toggle raw display
$67$ \( T^{5} + \cdots - 16\!\cdots\!93 \) Copy content Toggle raw display
$71$ \( T^{5} + \cdots - 95\!\cdots\!00 \) Copy content Toggle raw display
$73$ \( T^{5} + \cdots + 73\!\cdots\!09 \) Copy content Toggle raw display
$79$ \( T^{5} + \cdots + 89\!\cdots\!37 \) Copy content Toggle raw display
$83$ \( T^{5} + \cdots + 11\!\cdots\!16 \) Copy content Toggle raw display
$89$ \( T^{5} + \cdots + 73\!\cdots\!33 \) Copy content Toggle raw display
$97$ \( T^{5} + \cdots + 11\!\cdots\!52 \) Copy content Toggle raw display
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