Properties

Label 2116.1.c.b
Level $2116$
Weight $1$
Character orbit 2116.c
Self dual yes
Analytic conductor $1.056$
Analytic rank $0$
Dimension $1$
Projective image $D_{3}$
CM discriminant -4
Inner twists $2$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2116,1,Mod(1059,2116)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2116, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2116.1059");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2116 = 2^{2} \cdot 23^{2} \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2116.c (of order \(2\), degree \(1\), 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: \(1.05602156673\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{3}\)
Projective field: Galois closure of 3.1.2116.1
Artin image: $S_3$
Artin field: Galois closure of 3.1.2116.1

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q + q^{2} + q^{4} - q^{5} + q^{8} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + q^{2} + q^{4} - q^{5} + q^{8} + q^{9} - q^{10} - q^{13} + q^{16} + 2 q^{17} + q^{18} - q^{20} - q^{26} - q^{29} + q^{32} + 2 q^{34} + q^{36} + 2 q^{37} - q^{40} - q^{41} - q^{45} + q^{49} - q^{52} - q^{53} - q^{58} - q^{61} + q^{64} + q^{65} + 2 q^{68} + q^{72} - q^{73} + 2 q^{74} - q^{80} + q^{81} - q^{82} - 2 q^{85} - q^{89} - q^{90} - q^{97} + q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2116\mathbb{Z}\right)^\times\).

\(n\) \(5\) \(1059\)
\(\chi(n)\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1059.1
0
1.00000 0 1.00000 −1.00000 0 0 1.00000 1.00000 −1.00000
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

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

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2116.1.c.b 1
4.b odd 2 1 CM 2116.1.c.b 1
23.b odd 2 1 2116.1.c.c yes 1
23.c even 11 10 2116.1.g.b 10
23.d odd 22 10 2116.1.g.a 10
92.b even 2 1 2116.1.c.c yes 1
92.g odd 22 10 2116.1.g.b 10
92.h even 22 10 2116.1.g.a 10
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2116.1.c.b 1 1.a even 1 1 trivial
2116.1.c.b 1 4.b odd 2 1 CM
2116.1.c.c yes 1 23.b odd 2 1
2116.1.c.c yes 1 92.b even 2 1
2116.1.g.a 10 23.d odd 22 10
2116.1.g.a 10 92.h even 22 10
2116.1.g.b 10 23.c even 11 10
2116.1.g.b 10 92.g odd 22 10

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{1}^{\mathrm{new}}(2116, [\chi])\):

\( T_{3} \) Copy content Toggle raw display
\( T_{5} + 1 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T - 1 \) Copy content Toggle raw display
$3$ \( T \) Copy content Toggle raw display
$5$ \( T + 1 \) Copy content Toggle raw display
$7$ \( T \) Copy content Toggle raw display
$11$ \( T \) Copy content Toggle raw display
$13$ \( T + 1 \) Copy content Toggle raw display
$17$ \( T - 2 \) Copy content Toggle raw display
$19$ \( T \) Copy content Toggle raw display
$23$ \( T \) Copy content Toggle raw display
$29$ \( T + 1 \) Copy content Toggle raw display
$31$ \( T \) Copy content Toggle raw display
$37$ \( T - 2 \) Copy content Toggle raw display
$41$ \( T + 1 \) Copy content Toggle raw display
$43$ \( T \) Copy content Toggle raw display
$47$ \( T \) Copy content Toggle raw display
$53$ \( T + 1 \) Copy content Toggle raw display
$59$ \( T \) Copy content Toggle raw display
$61$ \( T + 1 \) Copy content Toggle raw display
$67$ \( T \) Copy content Toggle raw display
$71$ \( T \) Copy content Toggle raw display
$73$ \( T + 1 \) Copy content Toggle raw display
$79$ \( T \) Copy content Toggle raw display
$83$ \( T \) Copy content Toggle raw display
$89$ \( T + 1 \) Copy content Toggle raw display
$97$ \( T + 1 \) Copy content Toggle raw display
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