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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [370,2,Mod(97,370)] 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("370.97"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(370, base_ring=CyclotomicField(12)) chi = DirichletCharacter(H, H._module([3, 5])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 370 = 2 \cdot 5 \cdot 37 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 370.q (of order \(12\), degree \(4\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [8,4,4] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(3)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(2.95446487479\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(2\) over \(\Q(\zeta_{12})\)
Coefficient field: \(\Q(\zeta_{24})\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{12}]$

$q$-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 primitive root of unity \(\zeta_{24}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \zeta_{24}^{4} q^{2} + (\zeta_{24}^{6} + \cdots + \zeta_{24}^{4}) q^{3} + (\zeta_{24}^{4} - 1) q^{4} + ( - \zeta_{24}^{6} + 2 \zeta_{24}^{5} + \cdots - \zeta_{24}) q^{5} + (\zeta_{24}^{6} + \zeta_{24}^{5} + \cdots - 1) q^{6}+ \cdots + ( - 4 \zeta_{24}^{7} + \cdots - 4 \zeta_{24}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q + 4 q^{2} + 4 q^{3} - 4 q^{4} + 4 q^{5} - 4 q^{6} + 12 q^{7} - 8 q^{8} - 12 q^{9} - 4 q^{10} - 8 q^{12} - 4 q^{13} + 12 q^{14} - 4 q^{16} + 12 q^{17} - 12 q^{18} + 4 q^{19} - 8 q^{20} + 12 q^{21} - 12 q^{22}+ \cdots + 4 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/370\mathbb{Z}\right)^\times\).

\(n\) \(261\) \(297\)
\(\chi(n)\) \(-\zeta_{24}^{2}\) \(-\zeta_{24}^{6}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
97.1
−0.965926 + 0.258819i
0.965926 − 0.258819i
−0.965926 − 0.258819i
0.965926 + 0.258819i
−0.258819 + 0.965926i
0.258819 − 0.965926i
−0.258819 − 0.965926i
0.258819 + 0.965926i
0.500000 − 0.866025i 0.241181 − 0.900100i −0.500000 − 0.866025i 1.81431 + 1.30701i −0.658919 − 0.658919i 0.0267682 − 0.0999004i −1.00000 1.84607 + 1.06583i 2.03906 − 0.917738i
97.2 0.500000 − 0.866025i 0.758819 − 2.83195i −0.500000 − 0.866025i 0.917738 − 2.03906i −2.07313 − 2.07313i −0.490870 + 1.83195i −1.00000 −4.84607 − 2.79788i −1.30701 − 1.81431i
103.1 0.500000 + 0.866025i 0.241181 + 0.900100i −0.500000 + 0.866025i 1.81431 − 1.30701i −0.658919 + 0.658919i 0.0267682 + 0.0999004i −1.00000 1.84607 − 1.06583i 2.03906 + 0.917738i
103.2 0.500000 + 0.866025i 0.758819 + 2.83195i −0.500000 + 0.866025i 0.917738 + 2.03906i −2.07313 + 2.07313i −0.490870 − 1.83195i −1.00000 −4.84607 + 2.79788i −1.30701 + 1.81431i
267.1 0.500000 + 0.866025i −0.465926 + 0.124844i −0.500000 + 0.866025i −2.03906 + 0.917738i −0.341081 − 0.341081i 4.19798 − 1.12484i −1.00000 −2.39658 + 1.38366i −1.81431 − 1.30701i
267.2 0.500000 + 0.866025i 1.46593 − 0.392794i −0.500000 + 0.866025i 1.30701 + 1.81431i 1.07313 + 1.07313i 2.26612 − 0.607206i −1.00000 −0.603425 + 0.348387i −0.917738 + 2.03906i
273.1 0.500000 − 0.866025i −0.465926 − 0.124844i −0.500000 − 0.866025i −2.03906 − 0.917738i −0.341081 + 0.341081i 4.19798 + 1.12484i −1.00000 −2.39658 − 1.38366i −1.81431 + 1.30701i
273.2 0.500000 − 0.866025i 1.46593 + 0.392794i −0.500000 − 0.866025i 1.30701 − 1.81431i 1.07313 − 1.07313i 2.26612 + 0.607206i −1.00000 −0.603425 − 0.348387i −0.917738 − 2.03906i
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 97.2
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
185.p even 12 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 370.2.q.c ✓ 8
5.c odd 4 1 370.2.r.c yes 8
37.g odd 12 1 370.2.r.c yes 8
185.p even 12 1 inner 370.2.q.c ✓ 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
370.2.q.c ✓ 8 1.a even 1 1 trivial
370.2.q.c ✓ 8 185.p even 12 1 inner
370.2.r.c yes 8 5.c odd 4 1
370.2.r.c yes 8 37.g odd 12 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{8} - 4T_{3}^{7} + 14T_{3}^{6} - 24T_{3}^{5} + 14T_{3}^{4} - 4T_{3}^{2} + 8T_{3} + 4 \) acting on \(S_{2}^{\mathrm{new}}(370, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} - T + 1)^{4} \) Copy content Toggle raw display
$3$ \( T^{8} - 4 T^{7} + \cdots + 4 \) Copy content Toggle raw display
$5$ \( T^{8} - 4 T^{7} + \cdots + 625 \) Copy content Toggle raw display
$7$ \( T^{8} - 12 T^{7} + \cdots + 4 \) Copy content Toggle raw display
$11$ \( T^{8} + 48 T^{6} + \cdots + 16 \) Copy content Toggle raw display
$13$ \( T^{8} + 4 T^{7} + \cdots + 64 \) Copy content Toggle raw display
$17$ \( T^{8} - 12 T^{7} + \cdots + 9409 \) Copy content Toggle raw display
$19$ \( T^{8} - 4 T^{7} + \cdots + 10000 \) Copy content Toggle raw display
$23$ \( (T^{4} + 4 T^{3} + \cdots + 142)^{2} \) Copy content Toggle raw display
$29$ \( T^{8} + 24 T^{7} + \cdots + 81 \) Copy content Toggle raw display
$31$ \( T^{8} + 8 T^{7} + \cdots + 85264 \) Copy content Toggle raw display
$37$ \( T^{8} - 529 T^{4} + 1874161 \) Copy content Toggle raw display
$41$ \( T^{8} - 12 T^{7} + \cdots + 1270129 \) Copy content Toggle raw display
$43$ \( (T^{4} - 8 T^{3} + \cdots - 386)^{2} \) Copy content Toggle raw display
$47$ \( T^{8} + 8 T^{7} + \cdots + 20394256 \) Copy content Toggle raw display
$53$ \( T^{8} - 16 T^{7} + \cdots + 160000 \) Copy content Toggle raw display
$59$ \( T^{8} + 8 T^{7} + \cdots + 2262016 \) Copy content Toggle raw display
$61$ \( T^{8} - 48 T^{6} + \cdots + 8427409 \) Copy content Toggle raw display
$67$ \( T^{8} + 16 T^{7} + \cdots + 35344 \) Copy content Toggle raw display
$71$ \( T^{8} + 4 T^{7} + \cdots + 21316 \) Copy content Toggle raw display
$73$ \( T^{8} - 16 T^{7} + \cdots + 341056 \) Copy content Toggle raw display
$79$ \( T^{8} + 32 T^{7} + \cdots + 10000 \) Copy content Toggle raw display
$83$ \( T^{8} - 126 T^{6} + \cdots + 240436036 \) Copy content Toggle raw display
$89$ \( T^{8} - 8 T^{7} + \cdots + 332929 \) Copy content Toggle raw display
$97$ \( T^{8} + \cdots + 1120843441 \) Copy content Toggle raw display
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