Properties

Label 1176.2.k.a
Level $1176$
Weight $2$
Character orbit 1176.k
Analytic conductor $9.390$
Analytic rank $0$
Dimension $16$
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] = [1176,2,Mod(881,1176)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1176, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 1, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1176.881");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1176 = 2^{3} \cdot 3 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1176.k (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: \(9.39040727770\)
Analytic rank: \(0\)
Dimension: \(16\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 6 x^{15} + 19 x^{14} - 42 x^{13} + 65 x^{12} - 48 x^{11} - 94 x^{10} + 444 x^{9} - 962 x^{8} + \cdots + 6561 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{16} \)
Twist minimal: no (minimal twist has level 168)
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 \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_1 q^{3} + \beta_{8} q^{5} + \beta_{5} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_1 q^{3} + \beta_{8} q^{5} + \beta_{5} q^{9} - \beta_{6} q^{11} + ( - \beta_{12} - \beta_{7} + \beta_1) q^{13} + (\beta_{11} - \beta_{10} - \beta_{6} + \cdots + 1) q^{15}+ \cdots + ( - \beta_{14} + \beta_{13} + \beta_{10} + \cdots + 1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 4 q^{9} + 8 q^{15} + 36 q^{25} + 4 q^{37} + 44 q^{39} + 20 q^{43} - 12 q^{51} - 8 q^{57} - 28 q^{67} - 56 q^{79} - 60 q^{81} + 16 q^{85} - 32 q^{93} + 20 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 6 x^{15} + 19 x^{14} - 42 x^{13} + 65 x^{12} - 48 x^{11} - 94 x^{10} + 444 x^{9} - 962 x^{8} + \cdots + 6561 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 11 \nu^{15} + 30 \nu^{14} - 142 \nu^{13} + 363 \nu^{12} - 662 \nu^{11} + 258 \nu^{10} + 1288 \nu^{9} + \cdots - 19683 ) / 69984 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{15} + 246 \nu^{14} - 962 \nu^{13} + 1965 \nu^{12} - 2374 \nu^{11} - 462 \nu^{10} + \cdots + 150903 ) / 69984 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 35 \nu^{15} - 162 \nu^{14} + 512 \nu^{13} - 963 \nu^{12} + 1042 \nu^{11} + 306 \nu^{10} + \cdots - 54675 ) / 34992 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 22 \nu^{15} + 75 \nu^{14} - 238 \nu^{13} + 489 \nu^{12} - 737 \nu^{11} + 429 \nu^{10} + \cdots + 113724 ) / 17496 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 61 \nu^{15} - 234 \nu^{14} + 565 \nu^{13} - 729 \nu^{12} + 563 \nu^{11} + 1251 \nu^{10} + \cdots - 113724 ) / 34992 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 131 \nu^{15} + 660 \nu^{14} - 1742 \nu^{13} + 3567 \nu^{12} - 5176 \nu^{11} + 2040 \nu^{10} + \cdots + 754515 ) / 69984 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 19 \nu^{15} + 82 \nu^{14} - 226 \nu^{13} + 433 \nu^{12} - 542 \nu^{11} + 74 \nu^{10} + \cdots + 75087 ) / 7776 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 61 \nu^{15} - 302 \nu^{14} + 784 \nu^{13} - 1463 \nu^{12} + 1772 \nu^{11} - 100 \nu^{10} + \cdots - 255879 ) / 23328 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 37 \nu^{15} + 178 \nu^{14} - 562 \nu^{13} + 1105 \nu^{12} - 1544 \nu^{11} + 572 \nu^{10} + \cdots + 244215 ) / 11664 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 2 \nu^{15} - 8 \nu^{14} + 21 \nu^{13} - 38 \nu^{12} + 41 \nu^{11} + 17 \nu^{10} - 195 \nu^{9} + \cdots - 4617 ) / 432 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 107 \nu^{15} - 468 \nu^{14} + 1268 \nu^{13} - 2511 \nu^{12} + 3166 \nu^{11} - 90 \nu^{10} + \cdots - 365229 ) / 23328 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( - 30 \nu^{15} + 137 \nu^{14} - 378 \nu^{13} + 731 \nu^{12} - 939 \nu^{11} + 175 \nu^{10} + \cdots + 125388 ) / 5832 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 125 \nu^{15} + 512 \nu^{14} - 1364 \nu^{13} + 2537 \nu^{12} - 3082 \nu^{11} + 142 \nu^{10} + \cdots + 465831 ) / 23328 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( - 45 \nu^{15} + 188 \nu^{14} - 498 \nu^{13} + 917 \nu^{12} - 1020 \nu^{11} - 236 \nu^{10} + \cdots + 140697 ) / 5832 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 243 \nu^{15} - 1090 \nu^{14} + 3042 \nu^{13} - 5725 \nu^{12} + 7074 \nu^{11} - 326 \nu^{10} + \cdots - 993627 ) / 23328 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( 2 \beta_{15} - \beta_{14} + 2 \beta_{13} + 2 \beta_{12} - 2 \beta_{10} + \beta_{9} + \beta_{7} + \cdots + 4 ) / 8 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{15} - \beta_{10} + \beta_{9} - \beta_{8} ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -4\beta_{12} - \beta_{9} - 4\beta_{8} + 3\beta_{7} + 5\beta_{4} + \beta_{2} + 2\beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( - 2 \beta_{15} - 2 \beta_{13} - \beta_{12} - \beta_{9} - 3 \beta_{8} - 3 \beta_{7} - 2 \beta_{6} + \cdots + 4 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( - 16 \beta_{15} - 15 \beta_{14} - 8 \beta_{12} + 10 \beta_{11} - 24 \beta_{10} + \beta_{9} + \beta_{7} + \cdots - 12 ) / 8 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -2\beta_{14} + 4\beta_{11} - 6\beta_{10} + 4\beta_{6} + 2\beta_{5} - 2\beta_{3} + 7 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( - 2 \beta_{15} - 35 \beta_{14} + 94 \beta_{13} - 26 \beta_{12} + 16 \beta_{11} - 22 \beta_{10} + \cdots + 92 ) / 8 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 11 \beta_{15} + 16 \beta_{14} + 12 \beta_{13} + 2 \beta_{12} + 14 \beta_{11} - 5 \beta_{10} + 15 \beta_{9} + \cdots + 4 ) / 2 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 16\beta_{15} - 68\beta_{12} + 37\beta_{9} + 20\beta_{8} + 241\beta_{7} - 97\beta_{4} - 37\beta_{2} + 102\beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 40 \beta_{15} + 16 \beta_{14} - 32 \beta_{13} + 57 \beta_{12} + 60 \beta_{11} + 24 \beta_{10} + \cdots + 32 ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 176 \beta_{15} + 163 \beta_{14} + 112 \beta_{13} + 80 \beta_{12} + 422 \beta_{11} + 80 \beta_{10} + \cdots - 436 ) / 8 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( 148\beta_{14} - 76\beta_{13} + 140\beta_{11} - 76\beta_{10} + 24\beta_{6} + 244\beta_{5} + 64\beta_{3} - 39 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 174 \beta_{15} - 201 \beta_{14} + 114 \beta_{13} - 942 \beta_{12} - 848 \beta_{11} - 594 \beta_{10} + \cdots + 5604 ) / 8 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 405 \beta_{15} - 176 \beta_{14} + 420 \beta_{13} + 764 \beta_{12} + 32 \beta_{11} - 141 \beta_{10} + \cdots + 1120 ) / 2 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( 1456 \beta_{15} + 1548 \beta_{12} + 2919 \beta_{9} - 2276 \beta_{8} - 1301 \beta_{7} - 6899 \beta_{4} + \cdots + 962 \beta_1 ) / 4 \) Copy content Toggle raw display

Character values

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

\(n\) \(295\) \(589\) \(785\) \(1081\)
\(\chi(n)\) \(1\) \(1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
881.1
1.73018 + 0.0805675i
1.73018 0.0805675i
−0.601642 + 1.62420i
−0.601642 1.62420i
0.247636 1.71426i
0.247636 + 1.71426i
1.22961 1.21986i
1.22961 + 1.21986i
−0.441628 + 1.67480i
−0.441628 1.67480i
1.60841 + 0.642670i
1.60841 0.642670i
−1.70742 0.291063i
−1.70742 + 0.291063i
0.934861 + 1.45809i
0.934861 1.45809i
0 −1.53866 0.795315i 0 −3.80034 0 0 0 1.73495 + 2.44744i 0
881.2 0 −1.53866 + 0.795315i 0 −3.80034 0 0 0 1.73495 2.44744i 0
881.3 0 −1.33314 1.10578i 0 −0.145339 0 0 0 0.554510 + 2.94831i 0
881.4 0 −1.33314 + 1.10578i 0 −0.145339 0 0 0 0.554510 2.94831i 0
881.5 0 −1.07159 1.36077i 0 2.57910 0 0 0 −0.703402 + 2.91637i 0
881.6 0 −1.07159 + 1.36077i 0 2.57910 0 0 0 −0.703402 2.91637i 0
881.7 0 −0.454941 1.67124i 0 2.80795 0 0 0 −2.58606 + 1.52063i 0
881.8 0 −0.454941 + 1.67124i 0 2.80795 0 0 0 −2.58606 1.52063i 0
881.9 0 0.454941 1.67124i 0 −2.80795 0 0 0 −2.58606 1.52063i 0
881.10 0 0.454941 + 1.67124i 0 −2.80795 0 0 0 −2.58606 + 1.52063i 0
881.11 0 1.07159 1.36077i 0 −2.57910 0 0 0 −0.703402 2.91637i 0
881.12 0 1.07159 + 1.36077i 0 −2.57910 0 0 0 −0.703402 + 2.91637i 0
881.13 0 1.33314 1.10578i 0 0.145339 0 0 0 0.554510 2.94831i 0
881.14 0 1.33314 + 1.10578i 0 0.145339 0 0 0 0.554510 + 2.94831i 0
881.15 0 1.53866 0.795315i 0 3.80034 0 0 0 1.73495 2.44744i 0
881.16 0 1.53866 + 0.795315i 0 3.80034 0 0 0 1.73495 + 2.44744i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 881.16
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
21.c even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1176.2.k.a 16
3.b odd 2 1 inner 1176.2.k.a 16
4.b odd 2 1 2352.2.k.i 16
7.b odd 2 1 inner 1176.2.k.a 16
7.c even 3 1 168.2.u.a 16
7.c even 3 1 1176.2.u.b 16
7.d odd 6 1 168.2.u.a 16
7.d odd 6 1 1176.2.u.b 16
12.b even 2 1 2352.2.k.i 16
21.c even 2 1 inner 1176.2.k.a 16
21.g even 6 1 168.2.u.a 16
21.g even 6 1 1176.2.u.b 16
21.h odd 6 1 168.2.u.a 16
21.h odd 6 1 1176.2.u.b 16
28.d even 2 1 2352.2.k.i 16
28.f even 6 1 336.2.bc.f 16
28.g odd 6 1 336.2.bc.f 16
84.h odd 2 1 2352.2.k.i 16
84.j odd 6 1 336.2.bc.f 16
84.n even 6 1 336.2.bc.f 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
168.2.u.a 16 7.c even 3 1
168.2.u.a 16 7.d odd 6 1
168.2.u.a 16 21.g even 6 1
168.2.u.a 16 21.h odd 6 1
336.2.bc.f 16 28.f even 6 1
336.2.bc.f 16 28.g odd 6 1
336.2.bc.f 16 84.j odd 6 1
336.2.bc.f 16 84.n even 6 1
1176.2.k.a 16 1.a even 1 1 trivial
1176.2.k.a 16 3.b odd 2 1 inner
1176.2.k.a 16 7.b odd 2 1 inner
1176.2.k.a 16 21.c even 2 1 inner
1176.2.u.b 16 7.c even 3 1
1176.2.u.b 16 7.d odd 6 1
1176.2.u.b 16 21.g even 6 1
1176.2.u.b 16 21.h odd 6 1
2352.2.k.i 16 4.b odd 2 1
2352.2.k.i 16 12.b even 2 1
2352.2.k.i 16 28.d even 2 1
2352.2.k.i 16 84.h odd 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{8} - 29T_{5}^{6} + 263T_{5}^{4} - 763T_{5}^{2} + 16 \) 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
$5$ \( (T^{8} - 29 T^{6} + \cdots + 16)^{2} \) Copy content Toggle raw display
$7$ \( T^{16} \) Copy content Toggle raw display
$11$ \( (T^{8} + 39 T^{6} + \cdots + 64)^{2} \) Copy content Toggle raw display
$13$ \( (T^{8} + 55 T^{6} + \cdots + 4096)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} - 94 T^{6} + \cdots + 64)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} + 37 T^{6} + \cdots + 3844)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} + 82 T^{6} + \cdots + 64)^{2} \) Copy content Toggle raw display
$29$ \( (T^{8} + 129 T^{6} + \cdots + 262144)^{2} \) Copy content Toggle raw display
$31$ \( (T^{8} + 124 T^{6} + \cdots + 368449)^{2} \) Copy content Toggle raw display
$37$ \( (T^{4} - T^{3} - 87 T^{2} + \cdots - 482)^{4} \) Copy content Toggle raw display
$41$ \( (T^{8} - 88 T^{6} + \cdots + 65536)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} - 5 T^{3} + \cdots - 128)^{4} \) Copy content Toggle raw display
$47$ \( (T^{8} - 218 T^{6} + \cdots + 256)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} + 159 T^{6} + \cdots + 2085136)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} - 285 T^{6} + \cdots + 4511376)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} + 150 T^{6} + \cdots + 82944)^{2} \) Copy content Toggle raw display
$67$ \( (T^{4} + 7 T^{3} + \cdots + 226)^{4} \) Copy content Toggle raw display
$71$ \( (T^{8} + 344 T^{6} + \cdots + 2166784)^{2} \) Copy content Toggle raw display
$73$ \( (T^{8} + 185 T^{6} + \cdots + 16)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} + 14 T^{3} + \cdots - 401)^{4} \) Copy content Toggle raw display
$83$ \( (T^{8} - 523 T^{6} + \cdots + 131239936)^{2} \) Copy content Toggle raw display
$89$ \( (T^{8} - 334 T^{6} + \cdots + 984064)^{2} \) Copy content Toggle raw display
$97$ \( (T^{8} + 347 T^{6} + \cdots + 5914624)^{2} \) Copy content Toggle raw display
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