Properties

Label 112.5.c.a
Level $112$
Weight $5$
Character orbit 112.c
Self dual yes
Analytic conductor $11.577$
Analytic rank $0$
Dimension $1$
CM discriminant -7
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [112,5,Mod(97,112)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(112, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 1]))
 
N = Newforms(chi, 5, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("112.97");
 
S:= CuspForms(chi, 5);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 112 = 2^{4} \cdot 7 \)
Weight: \( k \) \(=\) \( 5 \)
Character orbit: \([\chi]\) \(=\) 112.c (of order \(2\), degree \(1\), not minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(11.5774358654\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 7)
Sato-Tate group: $\mathrm{U}(1)[D_{2}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q - 49 q^{7} + 81 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - 49 q^{7} + 81 q^{9} + 206 q^{11} + 734 q^{23} + 625 q^{25} + 1234 q^{29} - 1294 q^{37} + 334 q^{43} + 2401 q^{49} - 5582 q^{53} - 3969 q^{63} - 4946 q^{67} - 2914 q^{71} - 10094 q^{77} + 3646 q^{79} + 6561 q^{81} + 16686 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/112\mathbb{Z}\right)^\times\).

\(n\) \(15\) \(17\) \(85\)
\(\chi(n)\) \(1\) \(-1\) \(1\)

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.

comment: embeddings in the coefficient field
 
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
0 0 0 0 0 −49.0000 0 81.0000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.b odd 2 1 CM by \(\Q(\sqrt{-7}) \)

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 112.5.c.a 1
3.b odd 2 1 1008.5.f.a 1
4.b odd 2 1 7.5.b.a 1
7.b odd 2 1 CM 112.5.c.a 1
8.b even 2 1 448.5.c.a 1
8.d odd 2 1 448.5.c.b 1
12.b even 2 1 63.5.d.a 1
20.d odd 2 1 175.5.d.a 1
20.e even 4 2 175.5.c.a 2
21.c even 2 1 1008.5.f.a 1
28.d even 2 1 7.5.b.a 1
28.f even 6 2 49.5.d.a 2
28.g odd 6 2 49.5.d.a 2
56.e even 2 1 448.5.c.b 1
56.h odd 2 1 448.5.c.a 1
84.h odd 2 1 63.5.d.a 1
140.c even 2 1 175.5.d.a 1
140.j odd 4 2 175.5.c.a 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
7.5.b.a 1 4.b odd 2 1
7.5.b.a 1 28.d even 2 1
49.5.d.a 2 28.f even 6 2
49.5.d.a 2 28.g odd 6 2
63.5.d.a 1 12.b even 2 1
63.5.d.a 1 84.h odd 2 1
112.5.c.a 1 1.a even 1 1 trivial
112.5.c.a 1 7.b odd 2 1 CM
175.5.c.a 2 20.e even 4 2
175.5.c.a 2 140.j odd 4 2
175.5.d.a 1 20.d odd 2 1
175.5.d.a 1 140.c even 2 1
448.5.c.a 1 8.b even 2 1
448.5.c.a 1 56.h odd 2 1
448.5.c.b 1 8.d odd 2 1
448.5.c.b 1 56.e even 2 1
1008.5.f.a 1 3.b odd 2 1
1008.5.f.a 1 21.c even 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3} \) acting on \(S_{5}^{\mathrm{new}}(112, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T \) Copy content Toggle raw display
$3$ \( T \) Copy content Toggle raw display
$5$ \( T \) Copy content Toggle raw display
$7$ \( T + 49 \) Copy content Toggle raw display
$11$ \( T - 206 \) Copy content Toggle raw display
$13$ \( T \) Copy content Toggle raw display
$17$ \( T \) Copy content Toggle raw display
$19$ \( T \) Copy content Toggle raw display
$23$ \( T - 734 \) Copy content Toggle raw display
$29$ \( T - 1234 \) Copy content Toggle raw display
$31$ \( T \) Copy content Toggle raw display
$37$ \( T + 1294 \) Copy content Toggle raw display
$41$ \( T \) Copy content Toggle raw display
$43$ \( T - 334 \) Copy content Toggle raw display
$47$ \( T \) Copy content Toggle raw display
$53$ \( T + 5582 \) Copy content Toggle raw display
$59$ \( T \) Copy content Toggle raw display
$61$ \( T \) Copy content Toggle raw display
$67$ \( T + 4946 \) Copy content Toggle raw display
$71$ \( T + 2914 \) Copy content Toggle raw display
$73$ \( T \) Copy content Toggle raw display
$79$ \( T - 3646 \) Copy content Toggle raw display
$83$ \( T \) Copy content Toggle raw display
$89$ \( T \) Copy content Toggle raw display
$97$ \( T \) Copy content Toggle raw display
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