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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [450,8,Mod(1,450)] 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("450.1"); S:= CuspForms(chi, 8); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(450, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0])) N = Newforms(chi, 8, names="a")
 
Level: \( N \) \(=\) \( 450 = 2 \cdot 3^{2} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 450.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [1,8,0,64,0,0,1576] 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: \(140.573261468\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 6)
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)
 
\(f(q)\) \(=\) \( q + 8 q^{2} + 64 q^{4} + 1576 q^{7} + 512 q^{8} - 7332 q^{11} + 3802 q^{13} + 12608 q^{14} + 4096 q^{16} - 6606 q^{17} + 24860 q^{19} - 58656 q^{22} + 41448 q^{23} + 30416 q^{26} + 100864 q^{28} + 41610 q^{29}+ \cdots + 13281864 q^{98}+O(q^{100}) \) 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
0
8.00000 0 64.0000 0 0 1576.00 512.000 0 0
\(n\): e.g. 2-40 or 80-90
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \( -1 \)
\(3\) \( -1 \)
\(5\) \( +1 \)

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 450.8.a.ba 1
3.b odd 2 1 150.8.a.e 1
5.b even 2 1 18.8.a.a 1
5.c odd 4 2 450.8.c.a 2
15.d odd 2 1 6.8.a.a 1
15.e even 4 2 150.8.c.k 2
20.d odd 2 1 144.8.a.h 1
40.e odd 2 1 576.8.a.i 1
40.f even 2 1 576.8.a.h 1
45.h odd 6 2 162.8.c.d 2
45.j even 6 2 162.8.c.i 2
60.h even 2 1 48.8.a.b 1
105.g even 2 1 294.8.a.l 1
105.o odd 6 2 294.8.e.c 2
105.p even 6 2 294.8.e.d 2
120.i odd 2 1 192.8.a.f 1
120.m even 2 1 192.8.a.n 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
6.8.a.a 1 15.d odd 2 1
18.8.a.a 1 5.b even 2 1
48.8.a.b 1 60.h even 2 1
144.8.a.h 1 20.d odd 2 1
150.8.a.e 1 3.b odd 2 1
150.8.c.k 2 15.e even 4 2
162.8.c.d 2 45.h odd 6 2
162.8.c.i 2 45.j even 6 2
192.8.a.f 1 120.i odd 2 1
192.8.a.n 1 120.m even 2 1
294.8.a.l 1 105.g even 2 1
294.8.e.c 2 105.o odd 6 2
294.8.e.d 2 105.p even 6 2
450.8.a.ba 1 1.a even 1 1 trivial
450.8.c.a 2 5.c odd 4 2
576.8.a.h 1 40.f even 2 1
576.8.a.i 1 40.e odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{8}^{\mathrm{new}}(\Gamma_0(450))\):

\( T_{7} - 1576 \) Copy content Toggle raw display
\( T_{11} + 7332 \) Copy content Toggle raw display
\( T_{17} + 6606 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T - 8 \) Copy content Toggle raw display
$3$ \( T \) Copy content Toggle raw display
$5$ \( T \) Copy content Toggle raw display
$7$ \( T - 1576 \) Copy content Toggle raw display
$11$ \( T + 7332 \) Copy content Toggle raw display
$13$ \( T - 3802 \) Copy content Toggle raw display
$17$ \( T + 6606 \) Copy content Toggle raw display
$19$ \( T - 24860 \) Copy content Toggle raw display
$23$ \( T - 41448 \) Copy content Toggle raw display
$29$ \( T - 41610 \) Copy content Toggle raw display
$31$ \( T - 33152 \) Copy content Toggle raw display
$37$ \( T - 36466 \) Copy content Toggle raw display
$41$ \( T - 639078 \) Copy content Toggle raw display
$43$ \( T - 156412 \) Copy content Toggle raw display
$47$ \( T + 433776 \) Copy content Toggle raw display
$53$ \( T - 786078 \) Copy content Toggle raw display
$59$ \( T + 745140 \) Copy content Toggle raw display
$61$ \( T + 1660618 \) Copy content Toggle raw display
$67$ \( T - 3290836 \) Copy content Toggle raw display
$71$ \( T + 5716152 \) Copy content Toggle raw display
$73$ \( T + 2659898 \) Copy content Toggle raw display
$79$ \( T - 3807440 \) Copy content Toggle raw display
$83$ \( T - 2229468 \) Copy content Toggle raw display
$89$ \( T + 5991210 \) Copy content Toggle raw display
$97$ \( T - 4060126 \) Copy content Toggle raw display
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