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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [8325,2,Mod(1,8325)] 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("8325.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(8325, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 8325 = 3^{2} \cdot 5^{2} \cdot 37 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 8325.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [6,2,0,8,0,0,4,12,0,0,-4,0,6] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(13)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(66.4754596827\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: 6.6.95034688.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - 2x^{5} - 8x^{4} + 12x^{3} + 16x^{2} - 12x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 2 \)
Twist minimal: no (minimal twist has level 1665)
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.

\(f(q)\) \(=\) \( q + \beta_1 q^{2} + (\beta_{2} + \beta_1 + 1) q^{4} + ( - \beta_{3} + 1) q^{7} + (\beta_{3} + \beta_{2} + 2 \beta_1 + 1) q^{8} + (\beta_{4} + \beta_1 - 1) q^{11} + (\beta_{4} + \beta_{2} + 1) q^{13} + (\beta_{5} - \beta_{4} - \beta_{2} + 1) q^{14}+ \cdots + (\beta_{5} - 2 \beta_{4} - 3 \beta_{3} + \cdots + 1) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q + 2 q^{2} + 8 q^{4} + 4 q^{7} + 12 q^{8} - 4 q^{11} + 6 q^{13} + 6 q^{14} + 16 q^{16} + 8 q^{17} + 16 q^{19} + 10 q^{22} + 10 q^{23} - 12 q^{26} + 12 q^{28} - 6 q^{29} + 14 q^{31} + 36 q^{32} + 2 q^{34}+ \cdots - 6 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} - 2x^{5} - 8x^{4} + 12x^{3} + 16x^{2} - 12x + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - \nu - 3 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \nu^{3} - \nu^{2} - 5\nu + 2 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( \nu^{5} - \nu^{4} - 9\nu^{3} + 5\nu^{2} + 19\nu - 3 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( \nu^{5} - 2\nu^{4} - 8\nu^{3} + 11\nu^{2} + 17\nu - 7 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + \beta _1 + 3 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{3} + \beta_{2} + 6\beta _1 + 1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -\beta_{5} + \beta_{4} + \beta_{3} + 7\beta_{2} + 10\beta _1 + 15 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( -\beta_{5} + 2\beta_{4} + 10\beta_{3} + 11\beta_{2} + 40\beta _1 + 12 \) 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
−2.13528
−1.51760
0.0966244
0.505405
2.28339
2.76746
−2.13528 0 2.55940 0 0 2.61861 −1.19448 0 0
1.2 −1.51760 0 0.303121 0 0 −2.78967 2.57519 0 0
1.3 0.0966244 0 −1.99066 0 0 −0.508444 −0.385595 0 0
1.4 0.505405 0 −1.74457 0 0 1.65336 −1.89252 0 0
1.5 2.28339 0 3.21388 0 0 3.72551 2.77177 0 0
1.6 2.76746 0 5.65882 0 0 −0.699359 10.1256 0 0
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 1.6
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(3\) \( +1 \)
\(5\) \( +1 \)
\(37\) \( -1 \)

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 8325.2.a.ck 6
3.b odd 2 1 8325.2.a.cj 6
5.b even 2 1 1665.2.a.t 6
15.d odd 2 1 1665.2.a.u yes 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1665.2.a.t 6 5.b even 2 1
1665.2.a.u yes 6 15.d odd 2 1
8325.2.a.cj 6 3.b odd 2 1
8325.2.a.ck 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 \(S_{2}^{\mathrm{new}}(\Gamma_0(8325))\):

\( T_{2}^{6} - 2T_{2}^{5} - 8T_{2}^{4} + 12T_{2}^{3} + 16T_{2}^{2} - 12T_{2} + 1 \) Copy content Toggle raw display
\( T_{7}^{6} - 4T_{7}^{5} - 8T_{7}^{4} + 36T_{7}^{3} + 3T_{7}^{2} - 40T_{7} - 16 \) Copy content Toggle raw display
\( T_{11}^{6} + 4T_{11}^{5} - 39T_{11}^{4} - 192T_{11}^{3} + 67T_{11}^{2} + 1064T_{11} + 1008 \) Copy content Toggle raw display
\( T_{13}^{6} - 6T_{13}^{5} - 36T_{13}^{4} + 206T_{13}^{3} + 311T_{13}^{2} - 1540T_{13} - 644 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} - 2 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{6} \) Copy content Toggle raw display
$5$ \( T^{6} \) Copy content Toggle raw display
$7$ \( T^{6} - 4 T^{5} + \cdots - 16 \) Copy content Toggle raw display
$11$ \( T^{6} + 4 T^{5} + \cdots + 1008 \) Copy content Toggle raw display
$13$ \( T^{6} - 6 T^{5} + \cdots - 644 \) Copy content Toggle raw display
$17$ \( T^{6} - 8 T^{5} + \cdots - 28 \) Copy content Toggle raw display
$19$ \( T^{6} - 16 T^{5} + \cdots - 716 \) Copy content Toggle raw display
$23$ \( T^{6} - 10 T^{5} + \cdots - 32 \) Copy content Toggle raw display
$29$ \( T^{6} + 6 T^{5} + \cdots + 1036 \) Copy content Toggle raw display
$31$ \( T^{6} - 14 T^{5} + \cdots + 84 \) Copy content Toggle raw display
$37$ \( (T - 1)^{6} \) Copy content Toggle raw display
$41$ \( T^{6} + 20 T^{5} + \cdots + 128 \) Copy content Toggle raw display
$43$ \( T^{6} - 14 T^{5} + \cdots - 86212 \) Copy content Toggle raw display
$47$ \( T^{6} - 8 T^{5} + \cdots + 592 \) Copy content Toggle raw display
$53$ \( T^{6} - 12 T^{5} + \cdots + 435456 \) Copy content Toggle raw display
$59$ \( T^{6} + 12 T^{5} + \cdots - 336 \) Copy content Toggle raw display
$61$ \( T^{6} + 10 T^{5} + \cdots + 1876 \) Copy content Toggle raw display
$67$ \( T^{6} - 4 T^{5} + \cdots - 21904 \) Copy content Toggle raw display
$71$ \( T^{6} + 16 T^{5} + \cdots + 5808 \) Copy content Toggle raw display
$73$ \( T^{6} - 12 T^{5} + \cdots + 6476 \) Copy content Toggle raw display
$79$ \( T^{6} + 6 T^{5} + \cdots - 5628 \) Copy content Toggle raw display
$83$ \( T^{6} + 6 T^{5} + \cdots - 61056 \) Copy content Toggle raw display
$89$ \( T^{6} + 6 T^{5} + \cdots + 12748 \) Copy content Toggle raw display
$97$ \( T^{6} - 22 T^{5} + \cdots - 61348 \) Copy content Toggle raw display
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