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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [7406,2,Mod(1,7406)] 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("7406.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(7406, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 7406 = 2 \cdot 7 \cdot 23^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 7406.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [6,-6,0,6,0,0,6] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(7)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(59.1372077370\)
Analytic rank: \(1\)
Dimension: \(6\)
Coefficient field: 6.6.596217024.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - 15x^{4} - 6x^{3} + 57x^{2} + 24x - 48 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
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 \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - q^{2} + \beta_1 q^{3} + q^{4} + (\beta_{3} - \beta_1) q^{5} - \beta_1 q^{6} + q^{7} - q^{8} + (\beta_{2} + \beta_1 + 2) q^{9} + ( - \beta_{3} + \beta_1) q^{10} + ( - \beta_{5} - \beta_{2} - \beta_1) q^{11}+ \cdots + ( - \beta_{4} - \beta_{2} - \beta_1 - 6) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 6 q^{2} + 6 q^{4} + 6 q^{7} - 6 q^{8} + 12 q^{9} - 6 q^{13} - 6 q^{14} - 24 q^{15} + 6 q^{16} - 6 q^{17} - 12 q^{18} - 6 q^{19} + 6 q^{25} + 6 q^{26} + 18 q^{27} + 6 q^{28} + 6 q^{29} + 24 q^{30}+ \cdots - 36 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} - 15x^{4} - 6x^{3} + 57x^{2} + 24x - 48 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - \nu - 5 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -\nu^{5} + 4\nu^{4} + 7\nu^{3} - 30\nu^{2} - 9\nu + 36 ) / 8 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{5} - 2\nu^{4} - 9\nu^{3} + 12\nu^{2} + 15\nu - 14 ) / 2 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( \nu^{5} - 2\nu^{4} - 11\nu^{3} + 14\nu^{2} + 27\nu - 18 ) / 2 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + \beta _1 + 5 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -\beta_{5} + \beta_{4} + \beta_{2} + 7\beta _1 + 3 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -\beta_{5} + 2\beta_{4} + 4\beta_{3} + 10\beta_{2} + 13\beta _1 + 37 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( -11\beta_{5} + 15\beta_{4} + 8\beta_{3} + 17\beta_{2} + 62\beta _1 + 55 \) 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
−2.49020
−2.26639
−1.50154
0.817039
2.03587
3.40521
−1.00000 −2.49020 1.00000 4.22225 2.49020 1.00000 −1.00000 3.20109 −4.22225
1.2 −1.00000 −2.26639 1.00000 0.534336 2.26639 1.00000 −1.00000 2.13651 −0.534336
1.3 −1.00000 −1.50154 1.00000 −0.230514 1.50154 1.00000 −1.00000 −0.745387 0.230514
1.4 −1.00000 0.817039 1.00000 0.915012 −0.817039 1.00000 −1.00000 −2.33245 −0.915012
1.5 −1.00000 2.03587 1.00000 −3.76792 −2.03587 1.00000 −1.00000 1.14478 3.76792
1.6 −1.00000 3.40521 1.00000 −1.67316 −3.40521 1.00000 −1.00000 8.59546 1.67316
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 1.6
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \( +1 \)
\(7\) \( -1 \)
\(23\) \( -1 \)

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 7406.2.a.bj yes 6
23.b odd 2 1 7406.2.a.bi 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
7406.2.a.bi 6 23.b odd 2 1
7406.2.a.bj yes 6 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(7406))\):

\( T_{3}^{6} - 15T_{3}^{4} - 6T_{3}^{3} + 57T_{3}^{2} + 24T_{3} - 48 \) Copy content Toggle raw display
\( T_{5}^{6} - 18T_{5}^{4} - 6T_{5}^{3} + 30T_{5}^{2} - 6T_{5} - 3 \) Copy content Toggle raw display
\( T_{11}^{6} - 33T_{11}^{4} - 64T_{11}^{3} + 9T_{11}^{2} + 48T_{11} + 16 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T + 1)^{6} \) Copy content Toggle raw display
$3$ \( T^{6} - 15 T^{4} + \cdots - 48 \) Copy content Toggle raw display
$5$ \( T^{6} - 18 T^{4} + \cdots - 3 \) Copy content Toggle raw display
$7$ \( (T - 1)^{6} \) Copy content Toggle raw display
$11$ \( T^{6} - 33 T^{4} + \cdots + 16 \) Copy content Toggle raw display
$13$ \( T^{6} + 6 T^{5} + \cdots - 23 \) Copy content Toggle raw display
$17$ \( T^{6} + 6 T^{5} + \cdots - 128 \) Copy content Toggle raw display
$19$ \( T^{6} + 6 T^{5} + \cdots - 128 \) Copy content Toggle raw display
$23$ \( T^{6} \) Copy content Toggle raw display
$29$ \( T^{6} - 6 T^{5} + \cdots + 208 \) Copy content Toggle raw display
$31$ \( T^{6} + 6 T^{5} + \cdots + 64 \) Copy content Toggle raw display
$37$ \( T^{6} + 12 T^{5} + \cdots + 8464 \) Copy content Toggle raw display
$41$ \( T^{6} + 6 T^{5} + \cdots + 9 \) Copy content Toggle raw display
$43$ \( T^{6} + 24 T^{5} + \cdots - 119600 \) Copy content Toggle raw display
$47$ \( T^{6} - 12 T^{5} + \cdots - 9584 \) Copy content Toggle raw display
$53$ \( T^{6} - 24 T^{5} + \cdots + 28176 \) Copy content Toggle raw display
$59$ \( T^{6} - 132 T^{4} + \cdots + 1024 \) Copy content Toggle raw display
$61$ \( T^{6} + 36 T^{5} + \cdots - 30576 \) Copy content Toggle raw display
$67$ \( T^{6} - 300 T^{4} + \cdots - 871424 \) Copy content Toggle raw display
$71$ \( T^{6} + 6 T^{5} + \cdots - 87152 \) Copy content Toggle raw display
$73$ \( T^{6} - 141 T^{4} + \cdots - 1187 \) Copy content Toggle raw display
$79$ \( T^{6} + 24 T^{5} + \cdots + 108496 \) Copy content Toggle raw display
$83$ \( T^{6} + 12 T^{5} + \cdots + 435264 \) Copy content Toggle raw display
$89$ \( T^{6} + 42 T^{5} + \cdots - 414179 \) Copy content Toggle raw display
$97$ \( T^{6} - 6 T^{5} + \cdots - 20763 \) Copy content Toggle raw display
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