Properties

Label 1176.2.u.a
Level $1176$
Weight $2$
Character orbit 1176.u
Analytic conductor $9.390$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1176,2,Mod(521,1176)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1176, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 3, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1176.521");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1176 = 2^{3} \cdot 3 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1176.u (of order \(6\), degree \(2\), 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: \(9.39040727770\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(8\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - x^{14} - 3x^{12} + 4x^{10} - 4x^{8} + 16x^{6} - 48x^{4} - 64x^{2} + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2^{12} \)
Twist minimal: no (minimal twist has level 168)
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{2} q^{3} + ( - \beta_{10} + \beta_{3}) q^{5} + (\beta_{13} - \beta_{6}) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{2} q^{3} + ( - \beta_{10} + \beta_{3}) q^{5} + (\beta_{13} - \beta_{6}) q^{9} + ( - \beta_{15} + \beta_{13} + \beta_{11} + \cdots + 1) q^{11}+ \cdots + ( - \beta_{11} - \beta_{8} + 5 \beta_{7} + 7) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 4 q^{9} + 8 q^{15} + 16 q^{37} - 4 q^{39} - 64 q^{43} + 24 q^{51} - 56 q^{57} - 16 q^{67} - 56 q^{79} + 64 q^{85} - 56 q^{93} + 128 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - x^{14} - 3x^{12} + 4x^{10} - 4x^{8} + 16x^{6} - 48x^{4} - 64x^{2} + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{15} - \nu^{14} + 3 \nu^{13} + 3 \nu^{12} + 21 \nu^{11} - 7 \nu^{10} + 4 \nu^{9} + 38 \nu^{8} + \cdots - 256 ) / 896 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{15} + \nu^{14} + 3 \nu^{13} - 3 \nu^{12} + 21 \nu^{11} + 7 \nu^{10} + 4 \nu^{9} - 38 \nu^{8} + \cdots + 256 ) / 896 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{15} + \nu^{13} - 7\nu^{11} + 4\nu^{9} - 10\nu^{7} + 84\nu^{5} + 8\nu^{3} - 160\nu ) / 224 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -\nu^{15} + 2\nu^{13} + 3\nu^{9} - 34\nu^{7} - 28\nu^{5} + 48\nu^{3} - 96\nu ) / 224 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -\nu^{14} + 5\nu^{12} - 21\nu^{10} - 4\nu^{8} - 8\nu^{6} - 280\nu^{4} + 160\nu^{2} - 128 ) / 448 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -3\nu^{14} + 3\nu^{12} - 7\nu^{10} - 12\nu^{8} + 12\nu^{6} + 144\nu^{2} + 192 ) / 448 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 2\nu^{15} + 3\nu^{13} - 7\nu^{11} + \nu^{9} + 12\nu^{7} + 72\nu^{3} - 256\nu ) / 224 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 5 \nu^{15} - 8 \nu^{14} + 3 \nu^{13} - 7 \nu^{11} - 62 \nu^{9} + 24 \nu^{8} + 12 \nu^{7} + \cdots - 256 \nu ) / 896 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 2 \nu^{15} + 5 \nu^{14} - 12 \nu^{13} - 17 \nu^{12} - 7 \nu^{10} + 6 \nu^{9} + 20 \nu^{8} + \cdots + 256 ) / 896 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( -2\nu^{15} + 3\nu^{13} - 7\nu^{11} + 13\nu^{9} + 12\nu^{7} + 152\nu^{3} - 256\nu ) / 224 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 5 \nu^{15} + 8 \nu^{14} + 3 \nu^{13} - 7 \nu^{11} - 62 \nu^{9} - 24 \nu^{8} + 12 \nu^{7} + \cdots - 896 ) / 896 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( \nu^{15} + 6 \nu^{14} + 9 \nu^{13} - 20 \nu^{12} - 21 \nu^{11} - 10 \nu^{9} - 18 \nu^{8} + 36 \nu^{7} + \cdots + 512 ) / 896 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 3 \nu^{15} + 4 \nu^{14} + 10 \nu^{13} + 12 \nu^{12} - 28 \nu^{10} + 9 \nu^{9} + 16 \nu^{8} + \cdots - 1024 ) / 448 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( -5\nu^{14} - 2\nu^{12} + 15\nu^{8} - 22\nu^{6} - 140\nu^{4} + 240\nu^{2} + 320 ) / 224 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 3 \nu^{15} + 7 \nu^{14} - 10 \nu^{13} + 9 \nu^{12} - 21 \nu^{10} - 9 \nu^{9} + 28 \nu^{8} + \cdots - 1216 ) / 448 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{15} + \beta_{13} - \beta_{12} - \beta_{10} + \beta_{9} - \beta_{6} - \beta_{4} + \beta_{3} - \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{15} + \beta_{14} + \beta_{13} - \beta_{11} + \beta_{8} - \beta_{6} - \beta_{5} + 3\beta_{2} - 3\beta _1 + 1 ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -3\beta_{12} + \beta_{11} + \beta_{10} + 3\beta_{9} + \beta_{8} + 3\beta_{7} + 3\beta_{2} + 1 ) / 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( \beta_{15} + \beta_{13} + \beta_{12} + \beta_{9} + 7\beta_{6} - 5\beta_{5} + \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( - \beta_{15} + \beta_{13} + \beta_{11} + \beta_{8} - 5 \beta_{7} - \beta_{6} - 5 \beta_{4} + 9 \beta_{3} + \cdots + 1 ) / 4 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( -5\beta_{14} + \beta_{12} - 7\beta_{11} + \beta_{9} + 7\beta_{8} + \beta_{2} - 1 ) / 4 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( -\beta_{15} + \beta_{13} + 3\beta_{12} + 7\beta_{10} - 3\beta_{9} - \beta_{6} - 21\beta_{4} - 7\beta_{3} + 3\beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 7 \beta_{15} + 11 \beta_{14} + 7 \beta_{13} - 7 \beta_{11} + 7 \beta_{8} - 31 \beta_{6} - 11 \beta_{5} + \cdots + 31 ) / 4 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( -13\beta_{12} - 17\beta_{11} + 23\beta_{10} + 13\beta_{9} - 17\beta_{8} + 5\beta_{7} + 13\beta_{2} - 17 ) / 4 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( -9\beta_{15} - 9\beta_{13} - 33\beta_{12} - 33\beta_{9} - 79\beta_{6} - 27\beta_{5} - 33\beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( \beta_{15} - \beta_{13} - \beta_{11} - \beta_{8} - 11 \beta_{7} + \beta_{6} - 11 \beta_{4} - 25 \beta_{3} + \cdots - 1 ) / 4 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( -43\beta_{14} - 81\beta_{12} + 7\beta_{11} - 81\beta_{9} - 7\beta_{8} - 81\beta_{2} + 161 ) / 4 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 79 \beta_{15} + 79 \beta_{13} + 45 \beta_{12} - 55 \beta_{10} - 45 \beta_{9} - 79 \beta_{6} + \cdots + 45 \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 41 \beta_{15} - 59 \beta_{14} + 41 \beta_{13} - 41 \beta_{11} + 41 \beta_{8} - 337 \beta_{6} + \cdots + 337 ) / 4 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( -99\beta_{12} - 31\beta_{11} - 135\beta_{10} + 99\beta_{9} - 31\beta_{8} + 299\beta_{7} + 99\beta_{2} - 31 ) / 4 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1176\mathbb{Z}\right)^\times\).

\(n\) \(295\) \(589\) \(785\) \(1081\)
\(\chi(n)\) \(1\) \(1\) \(-1\) \(\beta_{6}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
521.1
0.0865986 1.41156i
0.809347 1.15972i
−0.0865986 + 1.41156i
−1.40902 + 0.121053i
−0.809347 + 1.15972i
−1.26575 0.630783i
1.40902 0.121053i
1.26575 + 0.630783i
0.0865986 + 1.41156i
0.809347 + 1.15972i
−0.0865986 1.41156i
−1.40902 0.121053i
−0.809347 1.15972i
−1.26575 + 0.630783i
1.40902 + 0.121053i
1.26575 0.630783i
0 −1.73193 0.0206614i 0 −1.51022 2.61578i 0 0 0 2.99915 + 0.0715680i 0
521.2 0 −1.23927 + 1.21005i 0 0.468213 + 0.810969i 0 0 0 0.0715680 2.99915i 0
521.3 0 −0.883857 1.48956i 0 1.51022 + 2.61578i 0 0 0 −1.43759 + 2.63312i 0
521.4 0 −0.428298 + 1.67826i 0 0.468213 + 0.810969i 0 0 0 −2.63312 1.43759i 0
521.5 0 0.428298 1.67826i 0 −0.468213 0.810969i 0 0 0 −2.63312 1.43759i 0
521.6 0 0.883857 + 1.48956i 0 −1.51022 2.61578i 0 0 0 −1.43759 + 2.63312i 0
521.7 0 1.23927 1.21005i 0 −0.468213 0.810969i 0 0 0 0.0715680 2.99915i 0
521.8 0 1.73193 + 0.0206614i 0 1.51022 + 2.61578i 0 0 0 2.99915 + 0.0715680i 0
1097.1 0 −1.73193 + 0.0206614i 0 −1.51022 + 2.61578i 0 0 0 2.99915 0.0715680i 0
1097.2 0 −1.23927 1.21005i 0 0.468213 0.810969i 0 0 0 0.0715680 + 2.99915i 0
1097.3 0 −0.883857 + 1.48956i 0 1.51022 2.61578i 0 0 0 −1.43759 2.63312i 0
1097.4 0 −0.428298 1.67826i 0 0.468213 0.810969i 0 0 0 −2.63312 + 1.43759i 0
1097.5 0 0.428298 + 1.67826i 0 −0.468213 + 0.810969i 0 0 0 −2.63312 + 1.43759i 0
1097.6 0 0.883857 1.48956i 0 −1.51022 + 2.61578i 0 0 0 −1.43759 2.63312i 0
1097.7 0 1.23927 + 1.21005i 0 −0.468213 + 0.810969i 0 0 0 0.0715680 + 2.99915i 0
1097.8 0 1.73193 0.0206614i 0 1.51022 2.61578i 0 0 0 2.99915 0.0715680i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 521.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
7.b odd 2 1 inner
7.c even 3 1 inner
7.d odd 6 1 inner
21.c even 2 1 inner
21.g even 6 1 inner
21.h odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1176.2.u.a 16
3.b odd 2 1 inner 1176.2.u.a 16
7.b odd 2 1 inner 1176.2.u.a 16
7.c even 3 1 168.2.k.a 8
7.c even 3 1 inner 1176.2.u.a 16
7.d odd 6 1 168.2.k.a 8
7.d odd 6 1 inner 1176.2.u.a 16
21.c even 2 1 inner 1176.2.u.a 16
21.g even 6 1 168.2.k.a 8
21.g even 6 1 inner 1176.2.u.a 16
21.h odd 6 1 168.2.k.a 8
21.h odd 6 1 inner 1176.2.u.a 16
28.f even 6 1 336.2.k.c 8
28.g odd 6 1 336.2.k.c 8
56.j odd 6 1 1344.2.k.f 8
56.k odd 6 1 1344.2.k.i 8
56.m even 6 1 1344.2.k.i 8
56.p even 6 1 1344.2.k.f 8
84.j odd 6 1 336.2.k.c 8
84.n even 6 1 336.2.k.c 8
168.s odd 6 1 1344.2.k.f 8
168.v even 6 1 1344.2.k.i 8
168.ba even 6 1 1344.2.k.f 8
168.be odd 6 1 1344.2.k.i 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
168.2.k.a 8 7.c even 3 1
168.2.k.a 8 7.d odd 6 1
168.2.k.a 8 21.g even 6 1
168.2.k.a 8 21.h odd 6 1
336.2.k.c 8 28.f even 6 1
336.2.k.c 8 28.g odd 6 1
336.2.k.c 8 84.j odd 6 1
336.2.k.c 8 84.n even 6 1
1176.2.u.a 16 1.a even 1 1 trivial
1176.2.u.a 16 3.b odd 2 1 inner
1176.2.u.a 16 7.b odd 2 1 inner
1176.2.u.a 16 7.c even 3 1 inner
1176.2.u.a 16 7.d odd 6 1 inner
1176.2.u.a 16 21.c even 2 1 inner
1176.2.u.a 16 21.g even 6 1 inner
1176.2.u.a 16 21.h odd 6 1 inner
1344.2.k.f 8 56.j odd 6 1
1344.2.k.f 8 56.p even 6 1
1344.2.k.f 8 168.s odd 6 1
1344.2.k.f 8 168.ba even 6 1
1344.2.k.i 8 56.k odd 6 1
1344.2.k.i 8 56.m even 6 1
1344.2.k.i 8 168.v even 6 1
1344.2.k.i 8 168.be odd 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{8} + 10T_{5}^{6} + 92T_{5}^{4} + 80T_{5}^{2} + 64 \) acting on \(S_{2}^{\mathrm{new}}(1176, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( T^{16} + 2 T^{14} + \cdots + 6561 \) Copy content Toggle raw display
$5$ \( (T^{8} + 10 T^{6} + \cdots + 64)^{2} \) Copy content Toggle raw display
$7$ \( T^{16} \) Copy content Toggle raw display
$11$ \( (T^{8} - 36 T^{6} + \cdots + 65536)^{2} \) Copy content Toggle raw display
$13$ \( (T^{4} + 14 T^{2} + 32)^{4} \) Copy content Toggle raw display
$17$ \( (T^{8} + 20 T^{6} + \cdots + 1024)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} - 74 T^{6} + \cdots + 1827904)^{2} \) Copy content Toggle raw display
$23$ \( (T^{4} - 4 T^{2} + 16)^{4} \) Copy content Toggle raw display
$29$ \( (T^{4} + 84 T^{2} + 64)^{4} \) Copy content Toggle raw display
$31$ \( (T^{8} - 92 T^{6} + \cdots + 4194304)^{2} \) Copy content Toggle raw display
$37$ \( (T^{2} - 2 T + 4)^{8} \) Copy content Toggle raw display
$41$ \( (T^{4} - 116 T^{2} + 32)^{4} \) Copy content Toggle raw display
$43$ \( (T + 4)^{16} \) Copy content Toggle raw display
$47$ \( (T^{8} + 184 T^{6} + \cdots + 67108864)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} - 84 T^{6} + \cdots + 4096)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} + 126 T^{6} + \cdots + 6718464)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} - 126 T^{6} + \cdots + 6718464)^{2} \) Copy content Toggle raw display
$67$ \( (T^{4} + 4 T^{3} + \cdots + 4096)^{4} \) Copy content Toggle raw display
$71$ \( (T^{4} + 196 T^{2} + 4096)^{4} \) Copy content Toggle raw display
$73$ \( (T^{8} - 160 T^{6} + \cdots + 4194304)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} + 14 T^{3} + \cdots + 1024)^{4} \) Copy content Toggle raw display
$83$ \( (T^{4} - 14 T^{2} + 32)^{4} \) Copy content Toggle raw display
$89$ \( (T^{8} + 380 T^{6} + \cdots + 1073741824)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} + 184 T^{2} + 8192)^{4} \) Copy content Toggle raw display
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