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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [550,4,Mod(1,550)] 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("550.1"); S:= CuspForms(chi, 4); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(550, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0])) N = Newforms(chi, 4, names="a")
 
Level: \( N \) \(=\) \( 550 = 2 \cdot 5^{2} \cdot 11 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 550.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [1,-2,-1,4,0,2,10] 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: \(32.4510505032\)
Analytic rank: \(1\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 22)
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)
 
\(f(q)\) \(=\) \( q - 2 q^{2} - q^{3} + 4 q^{4} + 2 q^{6} + 10 q^{7} - 8 q^{8} - 26 q^{9} + 11 q^{11} - 4 q^{12} + 16 q^{13} - 20 q^{14} + 16 q^{16} - 42 q^{17} + 52 q^{18} + 116 q^{19} - 10 q^{21} - 22 q^{22} - 189 q^{23}+ \cdots - 286 q^{99}+O(q^{100}) \) 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
−2.00000 −1.00000 4.00000 0 2.00000 10.0000 −8.00000 −26.0000 0
\(n\): e.g. 2-40 or 80-90
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \( +1 \)
\(5\) \( +1 \)
\(11\) \( -1 \)

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 550.4.a.e 1
5.b even 2 1 22.4.a.c ✓ 1
5.c odd 4 2 550.4.b.g 2
15.d odd 2 1 198.4.a.b 1
20.d odd 2 1 176.4.a.c 1
35.c odd 2 1 1078.4.a.f 1
40.e odd 2 1 704.4.a.g 1
40.f even 2 1 704.4.a.e 1
55.d odd 2 1 242.4.a.a 1
55.h odd 10 4 242.4.c.k 4
55.j even 10 4 242.4.c.d 4
60.h even 2 1 1584.4.a.k 1
165.d even 2 1 2178.4.a.r 1
220.g even 2 1 1936.4.a.h 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
22.4.a.c ✓ 1 5.b even 2 1
176.4.a.c 1 20.d odd 2 1
198.4.a.b 1 15.d odd 2 1
242.4.a.a 1 55.d odd 2 1
242.4.c.d 4 55.j even 10 4
242.4.c.k 4 55.h odd 10 4
550.4.a.e 1 1.a even 1 1 trivial
550.4.b.g 2 5.c odd 4 2
704.4.a.e 1 40.f even 2 1
704.4.a.g 1 40.e odd 2 1
1078.4.a.f 1 35.c odd 2 1
1584.4.a.k 1 60.h even 2 1
1936.4.a.h 1 220.g even 2 1
2178.4.a.r 1 165.d even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{4}^{\mathrm{new}}(\Gamma_0(550))\):

\( T_{3} + 1 \) Copy content Toggle raw display
\( T_{7} - 10 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T + 2 \) Copy content Toggle raw display
$3$ \( T + 1 \) Copy content Toggle raw display
$5$ \( T \) Copy content Toggle raw display
$7$ \( T - 10 \) Copy content Toggle raw display
$11$ \( T - 11 \) Copy content Toggle raw display
$13$ \( T - 16 \) Copy content Toggle raw display
$17$ \( T + 42 \) Copy content Toggle raw display
$19$ \( T - 116 \) Copy content Toggle raw display
$23$ \( T + 189 \) Copy content Toggle raw display
$29$ \( T + 120 \) Copy content Toggle raw display
$31$ \( T + 163 \) Copy content Toggle raw display
$37$ \( T - 409 \) Copy content Toggle raw display
$41$ \( T - 468 \) Copy content Toggle raw display
$43$ \( T + 110 \) Copy content Toggle raw display
$47$ \( T + 144 \) Copy content Toggle raw display
$53$ \( T + 90 \) Copy content Toggle raw display
$59$ \( T + 453 \) Copy content Toggle raw display
$61$ \( T - 20 \) Copy content Toggle raw display
$67$ \( T - 97 \) Copy content Toggle raw display
$71$ \( T + 465 \) Copy content Toggle raw display
$73$ \( T + 848 \) Copy content Toggle raw display
$79$ \( T + 742 \) Copy content Toggle raw display
$83$ \( T + 438 \) Copy content Toggle raw display
$89$ \( T + 273 \) Copy content Toggle raw display
$97$ \( T + 761 \) Copy content Toggle raw display
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