Properties

Label 1116.2.g.h
Level $1116$
Weight $2$
Character orbit 1116.g
Analytic conductor $8.911$
Analytic rank $0$
Dimension $12$
CM discriminant -31
Inner twists $8$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1116,2,Mod(991,1116)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1116, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1116.991");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1116 = 2^{2} \cdot 3^{2} \cdot 31 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1116.g (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: no
Analytic conductor: \(8.91130486557\)
Analytic rank: \(0\)
Dimension: \(12\)
Coefficient field: 12.0.1931902335935778816.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - 15x^{6} + 64 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2^{3} \)
Twist minimal: yes
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)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{11}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_1 q^{2} + \beta_{2} q^{4} + ( - \beta_{11} + \beta_{8} - \beta_1) q^{5} + ( - \beta_{6} + \beta_{5} + \beta_{2}) q^{7} + \beta_{3} q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_1 q^{2} + \beta_{2} q^{4} + ( - \beta_{11} + \beta_{8} - \beta_1) q^{5} + ( - \beta_{6} + \beta_{5} + \beta_{2}) q^{7} + \beta_{3} q^{8} + ( - \beta_{10} + \beta_{7} + \beta_{5} + \cdots - 2) q^{10}+ \cdots + (5 \beta_{11} + \beta_{9} + \cdots - 7 \beta_1) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q+O(q^{10}) \) Copy content Toggle raw display \( 12 q - 18 q^{10} + 60 q^{25} - 54 q^{28} - 84 q^{49} + 90 q^{64} - 6 q^{70} + 30 q^{76} + 42 q^{82}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - 15x^{6} + 64 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \nu^{3} \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{9} - 7\nu^{3} ) / 4 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( \nu^{10} + 4\nu^{8} - 15\nu^{4} - 28\nu^{2} ) / 16 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -\nu^{10} + 7\nu^{4} ) / 8 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -\nu^{10} + 4\nu^{8} + 15\nu^{4} - 28\nu^{2} ) / 16 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( \nu^{11} + 16\nu^{7} - 15\nu^{5} - 112\nu ) / 32 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( -\nu^{11} + 16\nu^{7} + 15\nu^{5} - 112\nu ) / 32 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( \nu^{6} - 8 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( \nu^{11} - 7\nu^{5} ) / 8 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{3} \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( \beta_{7} - \beta_{6} - \beta_{5} \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( \beta_{11} + 2\beta_{9} - 2\beta_{8} \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( \beta_{10} + 8 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( \beta_{9} + \beta_{8} + 7\beta_1 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( 2\beta_{7} + 2\beta_{5} + 7\beta_{2} \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( 4\beta_{4} + 7\beta_{3} \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( 7\beta_{7} - 15\beta_{6} - 7\beta_{5} \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( 15\beta_{11} + 14\beta_{9} - 14\beta_{8} \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1116\mathbb{Z}\right)^\times\).

\(n\) \(497\) \(559\) \(685\)
\(\chi(n)\) \(1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
991.1
−1.41173 0.0837246i
−1.41173 + 0.0837246i
−0.778374 1.18073i
−0.778374 + 1.18073i
−0.633359 1.26446i
−0.633359 + 1.26446i
0.633359 1.26446i
0.633359 + 1.26446i
0.778374 1.18073i
0.778374 + 1.18073i
1.41173 0.0837246i
1.41173 + 0.0837246i
−1.41173 0.0837246i 0 1.98598 + 0.236394i 2.35068 0 3.29625i −2.78388 0.500000i 0 −3.31853 0.196810i
991.2 −1.41173 + 0.0837246i 0 1.98598 0.236394i 2.35068 0 3.29625i −2.78388 + 0.500000i 0 −3.31853 + 0.196810i
991.3 −0.778374 1.18073i 0 −0.788267 + 1.83811i −2.11946 0 5.23296i 2.78388 0.500000i 0 1.64974 + 2.50252i
991.4 −0.778374 + 1.18073i 0 −0.788267 1.83811i −2.11946 0 5.23296i 2.78388 + 0.500000i 0 1.64974 2.50252i
991.5 −0.633359 1.26446i 0 −1.19771 + 1.60171i 4.47014 0 1.93671i 2.78388 + 0.500000i 0 −2.83120 5.65231i
991.6 −0.633359 + 1.26446i 0 −1.19771 1.60171i 4.47014 0 1.93671i 2.78388 0.500000i 0 −2.83120 + 5.65231i
991.7 0.633359 1.26446i 0 −1.19771 1.60171i −4.47014 0 1.93671i −2.78388 + 0.500000i 0 −2.83120 + 5.65231i
991.8 0.633359 + 1.26446i 0 −1.19771 + 1.60171i −4.47014 0 1.93671i −2.78388 0.500000i 0 −2.83120 5.65231i
991.9 0.778374 1.18073i 0 −0.788267 1.83811i 2.11946 0 5.23296i −2.78388 0.500000i 0 1.64974 2.50252i
991.10 0.778374 + 1.18073i 0 −0.788267 + 1.83811i 2.11946 0 5.23296i −2.78388 + 0.500000i 0 1.64974 + 2.50252i
991.11 1.41173 0.0837246i 0 1.98598 0.236394i −2.35068 0 3.29625i 2.78388 0.500000i 0 −3.31853 + 0.196810i
991.12 1.41173 + 0.0837246i 0 1.98598 + 0.236394i −2.35068 0 3.29625i 2.78388 + 0.500000i 0 −3.31853 0.196810i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 991.12
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
31.b odd 2 1 CM by \(\Q(\sqrt{-31}) \)
3.b odd 2 1 inner
4.b odd 2 1 inner
12.b even 2 1 inner
93.c even 2 1 inner
124.d even 2 1 inner
372.b odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1116.2.g.h 12
3.b odd 2 1 inner 1116.2.g.h 12
4.b odd 2 1 inner 1116.2.g.h 12
12.b even 2 1 inner 1116.2.g.h 12
31.b odd 2 1 CM 1116.2.g.h 12
93.c even 2 1 inner 1116.2.g.h 12
124.d even 2 1 inner 1116.2.g.h 12
372.b odd 2 1 inner 1116.2.g.h 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1116.2.g.h 12 1.a even 1 1 trivial
1116.2.g.h 12 3.b odd 2 1 inner
1116.2.g.h 12 4.b odd 2 1 inner
1116.2.g.h 12 12.b even 2 1 inner
1116.2.g.h 12 31.b odd 2 1 CM
1116.2.g.h 12 93.c even 2 1 inner
1116.2.g.h 12 124.d even 2 1 inner
1116.2.g.h 12 372.b odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1116, [\chi])\):

\( T_{5}^{6} - 30T_{5}^{4} + 225T_{5}^{2} - 496 \) Copy content Toggle raw display
\( T_{11} \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} - 15T^{6} + 64 \) Copy content Toggle raw display
$3$ \( T^{12} \) Copy content Toggle raw display
$5$ \( (T^{6} - 30 T^{4} + \cdots - 496)^{2} \) Copy content Toggle raw display
$7$ \( (T^{6} + 42 T^{4} + \cdots + 1116)^{2} \) Copy content Toggle raw display
$11$ \( T^{12} \) Copy content Toggle raw display
$13$ \( T^{12} \) Copy content Toggle raw display
$17$ \( T^{12} \) Copy content Toggle raw display
$19$ \( (T^{6} + 114 T^{4} + \cdots + 3100)^{2} \) Copy content Toggle raw display
$23$ \( T^{12} \) Copy content Toggle raw display
$29$ \( T^{12} \) Copy content Toggle raw display
$31$ \( (T^{2} + 31)^{6} \) Copy content Toggle raw display
$37$ \( T^{12} \) Copy content Toggle raw display
$41$ \( (T^{6} - 246 T^{4} + \cdots - 198400)^{2} \) Copy content Toggle raw display
$43$ \( T^{12} \) Copy content Toggle raw display
$47$ \( (T^{2} + 64)^{6} \) Copy content Toggle raw display
$53$ \( T^{12} \) Copy content Toggle raw display
$59$ \( (T^{6} + 354 T^{4} + \cdots + 547600)^{2} \) Copy content Toggle raw display
$61$ \( T^{12} \) Copy content Toggle raw display
$67$ \( (T^{2} + 124)^{6} \) Copy content Toggle raw display
$71$ \( (T^{6} + 426 T^{4} + \cdots + 1000000)^{2} \) Copy content Toggle raw display
$73$ \( T^{12} \) Copy content Toggle raw display
$79$ \( T^{12} \) Copy content Toggle raw display
$83$ \( T^{12} \) Copy content Toggle raw display
$89$ \( T^{12} \) Copy content Toggle raw display
$97$ \( (T^{3} - 291 T - 1906)^{4} \) Copy content Toggle raw display
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