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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [2325,2,Mod(1024,2325)] 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("2325.1024"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(2325, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 1, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 2325 = 3 \cdot 5^{2} \cdot 31 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2325.c (of order \(2\), degree \(1\), not minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [6,0,0,-4,0,0,0,0,-6,0,-14,0,0,12] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(14)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(18.5652184699\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: 6.0.350464.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - 2x^{5} + 2x^{4} + 2x^{3} + 4x^{2} - 4x + 2 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 2 \)
Twist minimal: yes
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.

\(f(q)\) \(=\) \( q - \beta_{5} q^{2} - \beta_{3} q^{3} + ( - \beta_{2} + \beta_1 - 1) q^{4} + \beta_1 q^{6} + (\beta_{5} - \beta_{4} - \beta_{3}) q^{7} + 2 \beta_{3} q^{8} - q^{9} + ( - 2 \beta_{2} + \beta_1 - 3) q^{11}+ \cdots + (2 \beta_{2} - \beta_1 + 3) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 4 q^{4} - 6 q^{9} - 14 q^{11} + 12 q^{14} - 8 q^{16} + 22 q^{19} - 8 q^{21} + 12 q^{24} + 20 q^{26} + 10 q^{29} - 6 q^{31} + 36 q^{34} + 4 q^{36} - 16 q^{41} + 40 q^{44} - 32 q^{46} + 10 q^{49} + 14 q^{51}+ \cdots + 14 q^{99}+O(q^{100}) \) Copy content Toggle raw display

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

\(\beta_{1}\)\(=\) \( ( -\nu^{5} + 8\nu^{4} - 4\nu^{3} - \nu^{2} + 2\nu + 38 ) / 23 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -5\nu^{5} + 17\nu^{4} - 20\nu^{3} - 5\nu^{2} + 10\nu + 29 ) / 23 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 7\nu^{5} - 10\nu^{4} + 5\nu^{3} + 30\nu^{2} + 32\nu - 13 ) / 23 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -11\nu^{5} + 19\nu^{4} - 21\nu^{3} - 11\nu^{2} - 70\nu + 27 ) / 23 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -14\nu^{5} + 20\nu^{4} - 10\nu^{3} - 37\nu^{2} - 64\nu + 26 ) / 23 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{5} - \beta_{4} + \beta_{3} + \beta_{2} - \beta _1 + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{5} + 2\beta_{3} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 2\beta_{5} - \beta_{4} + 2\beta_{3} - \beta_{2} + 2\beta _1 - 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -\beta_{2} + 5\beta _1 - 7 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( -8\beta_{5} + 3\beta_{4} - 9\beta_{3} - 3\beta_{2} + 8\beta _1 - 9 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2325\mathbb{Z}\right)^\times\).

\(n\) \(652\) \(776\) \(1801\)
\(\chi(n)\) \(-1\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1024.1
1.45161 + 1.45161i
0.403032 − 0.403032i
−0.854638 + 0.854638i
−0.854638 − 0.854638i
0.403032 + 0.403032i
1.45161 − 1.45161i
− 2.21432i − 1.00000i −2.90321 0 −2.21432 0.903212i 2.00000i −1.00000 0
1024.2 − 1.67513i 1.00000i −0.806063 0 1.67513 1.19394i − 2.00000i −1.00000 0
1024.3 − 0.539189i 1.00000i 1.70928 0 0.539189 3.70928i − 2.00000i −1.00000 0
1024.4 0.539189i − 1.00000i 1.70928 0 0.539189 − 3.70928i 2.00000i −1.00000 0
1024.5 1.67513i − 1.00000i −0.806063 0 1.67513 − 1.19394i 2.00000i −1.00000 0
1024.6 2.21432i 1.00000i −2.90321 0 −2.21432 − 0.903212i − 2.00000i −1.00000 0
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 1024.6
Significant digits:
Format:

Inner twists

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

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2325.2.c.m 6
5.b even 2 1 inner 2325.2.c.m 6
5.c odd 4 1 2325.2.a.t ✓ 3
5.c odd 4 1 2325.2.a.u yes 3
15.e even 4 1 6975.2.a.bc 3
15.e even 4 1 6975.2.a.bd 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2325.2.a.t ✓ 3 5.c odd 4 1
2325.2.a.u yes 3 5.c odd 4 1
2325.2.c.m 6 1.a even 1 1 trivial
2325.2.c.m 6 5.b even 2 1 inner
6975.2.a.bc 3 15.e even 4 1
6975.2.a.bd 3 15.e even 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2325, [\chi])\):

\( T_{2}^{6} + 8T_{2}^{4} + 16T_{2}^{2} + 4 \) Copy content Toggle raw display
\( T_{7}^{6} + 16T_{7}^{4} + 32T_{7}^{2} + 16 \) Copy content Toggle raw display
\( T_{11}^{3} + 7T_{11}^{2} + 3T_{11} - 37 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} + 8 T^{4} + \cdots + 4 \) Copy content Toggle raw display
$3$ \( (T^{2} + 1)^{3} \) Copy content Toggle raw display
$5$ \( T^{6} \) Copy content Toggle raw display
$7$ \( T^{6} + 16 T^{4} + \cdots + 16 \) Copy content Toggle raw display
$11$ \( (T^{3} + 7 T^{2} + 3 T - 37)^{2} \) Copy content Toggle raw display
$13$ \( T^{6} + 68 T^{4} + \cdots + 3844 \) Copy content Toggle raw display
$17$ \( T^{6} + 63 T^{4} + \cdots + 3481 \) Copy content Toggle raw display
$19$ \( (T^{3} - 11 T^{2} + 27 T - 1)^{2} \) Copy content Toggle raw display
$23$ \( T^{6} + 139 T^{4} + \cdots + 57121 \) Copy content Toggle raw display
$29$ \( (T^{3} - 5 T^{2} + 5 T + 1)^{2} \) Copy content Toggle raw display
$31$ \( (T + 1)^{6} \) Copy content Toggle raw display
$37$ \( T^{6} + 232 T^{4} + \cdots + 386884 \) Copy content Toggle raw display
$41$ \( (T^{3} + 8 T^{2} + \cdots - 130)^{2} \) Copy content Toggle raw display
$43$ \( T^{6} + 208 T^{4} + \cdots + 135424 \) Copy content Toggle raw display
$47$ \( T^{6} + 140 T^{4} + \cdots + 64 \) Copy content Toggle raw display
$53$ \( T^{6} + 199 T^{4} + \cdots + 625 \) Copy content Toggle raw display
$59$ \( (T^{3} - 14 T^{2} + \cdots + 302)^{2} \) Copy content Toggle raw display
$61$ \( (T^{3} - 12 T^{2} + \cdots + 64)^{2} \) Copy content Toggle raw display
$67$ \( T^{6} + 323 T^{4} + \cdots + 72361 \) Copy content Toggle raw display
$71$ \( (T^{3} + 26 T^{2} + \cdots + 248)^{2} \) Copy content Toggle raw display
$73$ \( T^{6} + 80 T^{4} + \cdots + 256 \) Copy content Toggle raw display
$79$ \( (T^{3} + 10 T^{2} + \cdots - 34)^{2} \) Copy content Toggle raw display
$83$ \( T^{6} + 107 T^{4} + \cdots + 32041 \) Copy content Toggle raw display
$89$ \( (T^{3} - 9 T^{2} + \cdots + 1523)^{2} \) Copy content Toggle raw display
$97$ \( T^{6} + 379 T^{4} + \cdots + 312481 \) Copy content Toggle raw display
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