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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [176,4,Mod(1,176)] 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("176.1"); S:= CuspForms(chi, 4); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(176, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0])) N = Newforms(chi, 4, names="a")
 
Level: \( N \) \(=\) \( 176 = 2^{4} \cdot 11 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 176.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [1,0,-4,0,14] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(5)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(10.3843361610\)
Analytic rank: \(0\)
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)
 
\(f(q)\) \(=\) \( q - 4 q^{3} + 14 q^{5} + 8 q^{7} - 11 q^{9} + 11 q^{11} - 50 q^{13} - 56 q^{15} + 130 q^{17} + 108 q^{19} - 32 q^{21} + 96 q^{23} + 71 q^{25} + 152 q^{27} + 142 q^{29} - 40 q^{31} - 44 q^{33} + 112 q^{35}+ \cdots - 121 q^{99}+O(q^{100}) \) 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
0 −4.00000 0 14.0000 0 8.00000 0 −11.0000 0
\(n\): e.g. 2-40 or 80-90
Significant digits:
Format:

Atkin-Lehner signs

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

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 176.4.a.b 1
3.b odd 2 1 1584.4.a.b 1
4.b odd 2 1 22.4.a.b 1
8.b even 2 1 704.4.a.i 1
8.d odd 2 1 704.4.a.d 1
11.b odd 2 1 1936.4.a.g 1
12.b even 2 1 198.4.a.d 1
20.d odd 2 1 550.4.a.k 1
20.e even 4 2 550.4.b.b 2
28.d even 2 1 1078.4.a.a 1
44.c even 2 1 242.4.a.f 1
44.g even 10 4 242.4.c.b 4
44.h odd 10 4 242.4.c.h 4
132.d odd 2 1 2178.4.a.a 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
22.4.a.b 1 4.b odd 2 1
176.4.a.b 1 1.a even 1 1 trivial
198.4.a.d 1 12.b even 2 1
242.4.a.f 1 44.c even 2 1
242.4.c.b 4 44.g even 10 4
242.4.c.h 4 44.h odd 10 4
550.4.a.k 1 20.d odd 2 1
550.4.b.b 2 20.e even 4 2
704.4.a.d 1 8.d odd 2 1
704.4.a.i 1 8.b even 2 1
1078.4.a.a 1 28.d even 2 1
1584.4.a.b 1 3.b odd 2 1
1936.4.a.g 1 11.b odd 2 1
2178.4.a.a 1 132.d odd 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3} + 4 \) acting on \(S_{4}^{\mathrm{new}}(\Gamma_0(176))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T \) Copy content Toggle raw display
$3$ \( T + 4 \) Copy content Toggle raw display
$5$ \( T - 14 \) Copy content Toggle raw display
$7$ \( T - 8 \) Copy content Toggle raw display
$11$ \( T - 11 \) Copy content Toggle raw display
$13$ \( T + 50 \) Copy content Toggle raw display
$17$ \( T - 130 \) Copy content Toggle raw display
$19$ \( T - 108 \) Copy content Toggle raw display
$23$ \( T - 96 \) Copy content Toggle raw display
$29$ \( T - 142 \) Copy content Toggle raw display
$31$ \( T + 40 \) Copy content Toggle raw display
$37$ \( T - 382 \) Copy content Toggle raw display
$41$ \( T + 118 \) Copy content Toggle raw display
$43$ \( T + 220 \) Copy content Toggle raw display
$47$ \( T + 520 \) Copy content Toggle raw display
$53$ \( T - 238 \) Copy content Toggle raw display
$59$ \( T - 852 \) Copy content Toggle raw display
$61$ \( T - 190 \) Copy content Toggle raw display
$67$ \( T - 12 \) Copy content Toggle raw display
$71$ \( T - 112 \) Copy content Toggle raw display
$73$ \( T + 6 \) Copy content Toggle raw display
$79$ \( T + 304 \) Copy content Toggle raw display
$83$ \( T + 820 \) Copy content Toggle raw display
$89$ \( T - 202 \) Copy content Toggle raw display
$97$ \( T + 1406 \) Copy content Toggle raw display
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