Properties

Label 117.8.b.b
Level $117$
Weight $8$
Character orbit 117.b
Analytic conductor $36.549$
Analytic rank $0$
Dimension $6$
Inner twists $2$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [117,8,Mod(64,117)] 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("117.64"); S:= CuspForms(chi, 8); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(117, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 1])) N = Newforms(chi, 8, names="a")
 
Level: \( N \) \(=\) \( 117 = 3^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 117.b (of order \(2\), degree \(1\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [6] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(1)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(36.5490479816\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: \(\mathbb{Q}[x]/(x^{6} + \cdots)\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} + 449x^{4} + 37224x^{2} + 205776 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2\cdot 3 \)
Twist minimal: no (minimal twist has level 13)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_1 q^{2} + (\beta_{3} - 22) q^{4} + \beta_{5} q^{5} + ( - \beta_{5} + \beta_{2} + 11 \beta_1) q^{7} + ( - 2 \beta_{5} - 3 \beta_{2} - 26 \beta_1) q^{8} + (2 \beta_{4} + 7 \beta_{3} - 70) q^{10}+ \cdots + (924 \beta_{5} + 651 \beta_{2} + 601789 \beta_1) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 130 q^{4} - 406 q^{10} - 5018 q^{13} - 9558 q^{14} + 7778 q^{16} - 13152 q^{17} - 125080 q^{22} - 27264 q^{23} - 18262 q^{25} + 54210 q^{26} - 42924 q^{29} + 546720 q^{35} + 243492 q^{38} + 792058 q^{40}+ \cdots + 22075632 q^{95}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} + 449x^{4} + 37224x^{2} + 205776 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{5} + 365\nu^{3} + 12084\nu ) / 240 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \nu^{2} + 150 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{4} + 365\nu^{2} + 12244 ) / 80 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -\nu^{5} - 445\nu^{3} - 34644\nu ) / 160 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{3} - 150 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -2\beta_{5} - 3\beta_{2} - 282\beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 80\beta_{4} - 365\beta_{3} + 42506 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 730\beta_{5} + 1335\beta_{2} + 90846\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/117\mathbb{Z}\right)^\times\).

\(n\) \(28\) \(92\)
\(\chi(n)\) \(-1\) \(1\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
64.1
18.4900i
10.0583i
2.43912i
2.43912i
10.0583i
18.4900i
18.4900i 0 −213.880 70.5606i 0 454.852i 1587.93i 0 −1304.67
64.2 10.0583i 0 26.8297 8.88672i 0 510.452i 1557.33i 0 −89.3858
64.3 2.43912i 0 122.051 488.312i 0 616.243i 609.904i 0 1191.05
64.4 2.43912i 0 122.051 488.312i 0 616.243i 609.904i 0 1191.05
64.5 10.0583i 0 26.8297 8.88672i 0 510.452i 1557.33i 0 −89.3858
64.6 18.4900i 0 −213.880 70.5606i 0 454.852i 1587.93i 0 −1304.67
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 64.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
13.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 117.8.b.b 6
3.b odd 2 1 13.8.b.a 6
12.b even 2 1 208.8.f.a 6
13.b even 2 1 inner 117.8.b.b 6
39.d odd 2 1 13.8.b.a 6
39.f even 4 2 169.8.a.d 6
156.h even 2 1 208.8.f.a 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
13.8.b.a 6 3.b odd 2 1
13.8.b.a 6 39.d odd 2 1
117.8.b.b 6 1.a even 1 1 trivial
117.8.b.b 6 13.b even 2 1 inner
169.8.a.d 6 39.f even 4 2
208.8.f.a 6 12.b even 2 1
208.8.f.a 6 156.h even 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{6} + 449T_{2}^{4} + 37224T_{2}^{2} + 205776 \) acting on \(S_{8}^{\mathrm{new}}(117, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} + 449 T^{4} + \cdots + 205776 \) Copy content Toggle raw display
$3$ \( T^{6} \) Copy content Toggle raw display
$5$ \( T^{6} + \cdots + 93756690000 \) Copy content Toggle raw display
$7$ \( T^{6} + \cdots + 20\!\cdots\!00 \) Copy content Toggle raw display
$11$ \( T^{6} + \cdots + 13\!\cdots\!00 \) Copy content Toggle raw display
$13$ \( T^{6} + \cdots + 24\!\cdots\!13 \) Copy content Toggle raw display
$17$ \( (T^{3} + 6576 T^{2} + \cdots + 976631438250)^{2} \) Copy content Toggle raw display
$19$ \( T^{6} + \cdots + 62\!\cdots\!36 \) Copy content Toggle raw display
$23$ \( (T^{3} + \cdots + 38560806996192)^{2} \) Copy content Toggle raw display
$29$ \( (T^{3} + \cdots - 16\!\cdots\!80)^{2} \) Copy content Toggle raw display
$31$ \( T^{6} + \cdots + 33\!\cdots\!00 \) Copy content Toggle raw display
$37$ \( T^{6} + \cdots + 30\!\cdots\!96 \) Copy content Toggle raw display
$41$ \( T^{6} + \cdots + 18\!\cdots\!00 \) Copy content Toggle raw display
$43$ \( (T^{3} + \cdots + 11\!\cdots\!88)^{2} \) Copy content Toggle raw display
$47$ \( T^{6} + \cdots + 32\!\cdots\!96 \) Copy content Toggle raw display
$53$ \( (T^{3} + \cdots - 18\!\cdots\!92)^{2} \) Copy content Toggle raw display
$59$ \( T^{6} + \cdots + 36\!\cdots\!96 \) Copy content Toggle raw display
$61$ \( (T^{3} + \cdots + 10\!\cdots\!88)^{2} \) Copy content Toggle raw display
$67$ \( T^{6} + \cdots + 54\!\cdots\!96 \) Copy content Toggle raw display
$71$ \( T^{6} + \cdots + 39\!\cdots\!00 \) Copy content Toggle raw display
$73$ \( T^{6} + \cdots + 10\!\cdots\!04 \) Copy content Toggle raw display
$79$ \( (T^{3} + \cdots - 12\!\cdots\!00)^{2} \) Copy content Toggle raw display
$83$ \( T^{6} + \cdots + 14\!\cdots\!84 \) Copy content Toggle raw display
$89$ \( T^{6} + \cdots + 22\!\cdots\!96 \) Copy content Toggle raw display
$97$ \( T^{6} + \cdots + 17\!\cdots\!56 \) Copy content Toggle raw display
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