Properties

Label 2112.2.o.g
Level $2112$
Weight $2$
Character orbit 2112.o
Analytic conductor $16.864$
Analytic rank $0$
Dimension $12$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2112,2,Mod(703,2112)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2112, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0, 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("2112.703");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2112 = 2^{6} \cdot 3 \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2112.o (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: no
Analytic conductor: \(16.8644049069\)
Analytic rank: \(0\)
Dimension: \(12\)
Coefficient field: 12.0.2593100598870016.2
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - 2x^{10} + x^{8} + 4x^{6} + 4x^{4} - 32x^{2} + 64 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{9} \)
Twist minimal: no (minimal twist has level 132)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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.

\(f(q)\) \(=\) \( q + \beta_{2} q^{3} - \beta_{4} q^{5} + \beta_{5} q^{7} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{2} q^{3} - \beta_{4} q^{5} + \beta_{5} q^{7} - q^{9} + ( - \beta_{7} - \beta_{5}) q^{11} - \beta_1 q^{13} - \beta_{3} q^{15} + (\beta_{11} - \beta_{10} + \cdots + \beta_1) q^{17}+ \cdots + (\beta_{7} + \beta_{5}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q - 12 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 12 q - 12 q^{9} + 20 q^{25} + 4 q^{33} + 32 q^{37} - 12 q^{49} + 16 q^{53} - 48 q^{77} + 12 q^{81} - 8 q^{89} - 16 q^{93} - 48 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - 2x^{10} + x^{8} + 4x^{6} + 4x^{4} - 32x^{2} + 64 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{11} + 2\nu^{9} + 9\nu^{7} + 8\nu^{5} + 4\nu^{3} + 48\nu ) / 64 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -\nu^{8} - \nu^{4} + 2\nu^{2} - 8 ) / 16 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -\nu^{10} + 2\nu^{8} + 7\nu^{6} - 20\nu^{4} - 12\nu^{2} + 48 ) / 32 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -\nu^{10} - 2\nu^{8} + 7\nu^{6} + 8\nu^{4} - 36\nu^{2} + 16 ) / 32 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -3\nu^{11} - 2\nu^{9} + 5\nu^{7} + 12\nu^{5} - 20\nu^{3} + 16\nu ) / 64 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - \nu^{11} + 4 \nu^{10} - 2 \nu^{9} - 4 \nu^{8} + 7 \nu^{7} + 4 \nu^{6} - 8 \nu^{5} + 20 \nu^{4} + \cdots - 96 ) / 64 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( \nu^{11} + 4 \nu^{10} + 2 \nu^{9} - 4 \nu^{8} - 7 \nu^{7} + 4 \nu^{6} + 8 \nu^{5} + 20 \nu^{4} + \cdots - 96 ) / 64 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 3\nu^{11} - 2\nu^{9} - 5\nu^{7} + 16\nu^{5} - 4\nu^{3} - 112\nu ) / 64 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 3\nu^{11} - 2\nu^{9} - 5\nu^{7} + 16\nu^{5} + 60\nu^{3} - 48\nu ) / 64 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( \nu^{11} - 3\nu^{10} - 2\nu^{9} + 2\nu^{8} + \nu^{7} + 5\nu^{6} + 4\nu^{5} + 4\nu^{3} - 12\nu^{2} + 48 ) / 32 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( -\nu^{11} - 3\nu^{10} + 2\nu^{9} + 2\nu^{8} - \nu^{7} + 5\nu^{6} - 4\nu^{5} - 4\nu^{3} - 12\nu^{2} + 48 ) / 32 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{11} + \beta_{10} - 2\beta_{8} + \beta_{7} - \beta_{6} ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{11} + \beta_{10} + \beta_{7} + \beta_{6} - 2\beta_{4} + 2\beta_{2} + 2 ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{11} - \beta_{10} + 4\beta_{9} - 2\beta_{8} - \beta_{7} + \beta_{6} ) / 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( \beta_{11} + \beta_{10} + \beta_{7} + \beta_{6} + 2\beta_{4} - 4\beta_{3} - 6\beta_{2} + 2 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( \beta_{11} - \beta_{10} + 4\beta_{9} + 2\beta_{8} + 3\beta_{7} - 3\beta_{6} + 8\beta_{5} + 4\beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( \beta_{11} + \beta_{10} + 5\beta_{7} + 5\beta_{6} + 6\beta_{4} + 8\beta_{3} - 6\beta_{2} - 6 ) / 4 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( \beta_{11} - \beta_{10} - 4\beta_{9} + 6\beta_{8} - 9\beta_{7} + 9\beta_{6} + 16\beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( \beta_{11} + \beta_{10} + \beta_{7} + \beta_{6} - 6\beta_{4} + 4\beta_{3} - 54\beta_{2} - 30 ) / 4 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 25\beta_{11} - 25\beta_{10} + 4\beta_{9} + 10\beta_{8} + 3\beta_{7} - 3\beta_{6} - 8\beta_{5} + 28\beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( -23\beta_{11} - 23\beta_{10} + 5\beta_{7} + 5\beta_{6} + 14\beta_{4} + 16\beta_{3} - 54\beta_{2} + 26 ) / 4 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( -23\beta_{11} + 23\beta_{10} - 20\beta_{9} + 14\beta_{8} + 7\beta_{7} - 7\beta_{6} - 48\beta_{5} + 24\beta_1 ) / 4 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2112\mathbb{Z}\right)^\times\).

\(n\) \(133\) \(1409\) \(1729\) \(2047\)
\(\chi(n)\) \(1\) \(1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
703.1
−0.430469 + 1.34711i
0.430469 1.34711i
−1.37027 0.349801i
1.37027 + 0.349801i
1.19877 0.750295i
−1.19877 + 0.750295i
−0.430469 1.34711i
0.430469 + 1.34711i
−1.37027 + 0.349801i
1.37027 0.349801i
1.19877 + 0.750295i
−1.19877 0.750295i
0 1.00000i 0 −2.93923 0 −0.348612 0 −1.00000 0
703.2 0 1.00000i 0 −2.93923 0 0.348612 0 −1.00000 0
703.3 0 1.00000i 0 −0.406728 0 −2.27740 0 −1.00000 0
703.4 0 1.00000i 0 −0.406728 0 2.27740 0 −1.00000 0
703.5 0 1.00000i 0 3.34596 0 −3.56257 0 −1.00000 0
703.6 0 1.00000i 0 3.34596 0 3.56257 0 −1.00000 0
703.7 0 1.00000i 0 −2.93923 0 −0.348612 0 −1.00000 0
703.8 0 1.00000i 0 −2.93923 0 0.348612 0 −1.00000 0
703.9 0 1.00000i 0 −0.406728 0 −2.27740 0 −1.00000 0
703.10 0 1.00000i 0 −0.406728 0 2.27740 0 −1.00000 0
703.11 0 1.00000i 0 3.34596 0 −3.56257 0 −1.00000 0
703.12 0 1.00000i 0 3.34596 0 3.56257 0 −1.00000 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 703.12
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
11.b odd 2 1 inner
44.c even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2112.2.o.g 12
4.b odd 2 1 inner 2112.2.o.g 12
8.b even 2 1 132.2.h.a 12
8.d odd 2 1 132.2.h.a 12
11.b odd 2 1 inner 2112.2.o.g 12
24.f even 2 1 396.2.h.d 12
24.h odd 2 1 396.2.h.d 12
44.c even 2 1 inner 2112.2.o.g 12
88.b odd 2 1 132.2.h.a 12
88.g even 2 1 132.2.h.a 12
264.m even 2 1 396.2.h.d 12
264.p odd 2 1 396.2.h.d 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
132.2.h.a 12 8.b even 2 1
132.2.h.a 12 8.d odd 2 1
132.2.h.a 12 88.b odd 2 1
132.2.h.a 12 88.g even 2 1
396.2.h.d 12 24.f even 2 1
396.2.h.d 12 24.h odd 2 1
396.2.h.d 12 264.m even 2 1
396.2.h.d 12 264.p odd 2 1
2112.2.o.g 12 1.a even 1 1 trivial
2112.2.o.g 12 4.b odd 2 1 inner
2112.2.o.g 12 11.b odd 2 1 inner
2112.2.o.g 12 44.c even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2112, [\chi])\):

\( T_{5}^{3} - 10T_{5} - 4 \) Copy content Toggle raw display
\( T_{7}^{6} - 18T_{7}^{4} + 68T_{7}^{2} - 8 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} \) Copy content Toggle raw display
$3$ \( (T^{2} + 1)^{6} \) Copy content Toggle raw display
$5$ \( (T^{3} - 10 T - 4)^{4} \) Copy content Toggle raw display
$7$ \( (T^{6} - 18 T^{4} + 68 T^{2} - 8)^{2} \) Copy content Toggle raw display
$11$ \( T^{12} + 2 T^{10} + \cdots + 1771561 \) Copy content Toggle raw display
$13$ \( (T^{6} + 16 T^{4} + \cdots + 32)^{2} \) Copy content Toggle raw display
$17$ \( (T^{6} + 66 T^{4} + \cdots + 32)^{2} \) Copy content Toggle raw display
$19$ \( (T^{6} - 66 T^{4} + \cdots - 800)^{2} \) Copy content Toggle raw display
$23$ \( (T^{6} + 20 T^{4} + \cdots + 16)^{2} \) Copy content Toggle raw display
$29$ \( (T^{6} + 138 T^{4} + \cdots + 86528)^{2} \) Copy content Toggle raw display
$31$ \( (T^{6} + 104 T^{4} + \cdots + 25600)^{2} \) Copy content Toggle raw display
$37$ \( (T^{3} - 8 T^{2} + \cdots + 128)^{4} \) Copy content Toggle raw display
$41$ \( (T^{6} + 170 T^{4} + \cdots + 80000)^{2} \) Copy content Toggle raw display
$43$ \( (T^{6} - 130 T^{4} + \cdots - 32)^{2} \) Copy content Toggle raw display
$47$ \( (T^{6} + 176 T^{4} + \cdots + 65536)^{2} \) Copy content Toggle raw display
$53$ \( (T^{3} - 4 T^{2} + \cdots + 652)^{4} \) Copy content Toggle raw display
$59$ \( (T^{6} + 100 T^{4} + \cdots + 256)^{2} \) Copy content Toggle raw display
$61$ \( (T^{6} + 184 T^{4} + \cdots + 12800)^{2} \) Copy content Toggle raw display
$67$ \( (T^{6} + 72 T^{4} + \cdots + 256)^{2} \) Copy content Toggle raw display
$71$ \( (T^{6} + 128 T^{4} + \cdots + 6400)^{2} \) Copy content Toggle raw display
$73$ \( (T^{6} + 456 T^{4} + \cdots + 2580992)^{2} \) Copy content Toggle raw display
$79$ \( (T^{6} - 66 T^{4} + \cdots - 9800)^{2} \) Copy content Toggle raw display
$83$ \( (T^{6} - 320 T^{4} + \cdots - 346112)^{2} \) Copy content Toggle raw display
$89$ \( (T^{3} + 2 T^{2} + \cdots + 200)^{4} \) Copy content Toggle raw display
$97$ \( (T^{3} + 12 T^{2} + \cdots - 64)^{4} \) Copy content Toggle raw display
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