Properties

Label 1568.2.p.c
Level $1568$
Weight $2$
Character orbit 1568.p
Analytic conductor $12.521$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $8$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1568,2,Mod(31,1568)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1568, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([3, 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("1568.31");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1568 = 2^{5} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1568.p (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: \(12.5205430369\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(8\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\zeta_{48})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - x^{8} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2^{8} \)
Twist minimal: yes
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.

\(f(q)\) \(=\) \( q + (\beta_{11} - \beta_{8}) q^{3} + (\beta_{13} - \beta_{2}) q^{5} + (\beta_{14} - \beta_{6} - \beta_{3} + 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_{11} - \beta_{8}) q^{3} + (\beta_{13} - \beta_{2}) q^{5} + (\beta_{14} - \beta_{6} - \beta_{3} + 1) q^{9} - 3 \beta_{9} q^{11} + (\beta_{13} - \beta_{10} + \beta_{7}) q^{13} + ( - 2 \beta_{12} + 2 \beta_{9} + \beta_{5}) q^{15} + ( - 4 \beta_{10} - \beta_{7} + \beta_{2}) q^{17} + ( - \beta_{15} - 2 \beta_{8} + \beta_{4}) q^{19} + ( - 4 \beta_{12} + \beta_1) q^{23} + ( - 2 \beta_{6} - \beta_{3}) q^{25} + (\beta_{15} + 3 \beta_{11}) q^{27} - 4 q^{29} - 4 \beta_{4} q^{31} + (3 \beta_{13} - 3 \beta_{2}) q^{33} + ( - 2 \beta_{14} + 2 \beta_{6} + \cdots + 8) q^{37}+ \cdots + (3 \beta_{12} - 3 \beta_{9} + 3 \beta_{5}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 8 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 8 q^{9} - 8 q^{25} - 64 q^{29} + 64 q^{37} - 48 q^{53} - 64 q^{57} + 24 q^{81} - 160 q^{85}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( 2\zeta_{48}^{4} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \zeta_{48}^{7} + \zeta_{48} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \zeta_{48}^{8} \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( \zeta_{48}^{11} + \zeta_{48}^{5} \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( 2\zeta_{48}^{12} \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( \zeta_{48}^{14} + \zeta_{48}^{2} \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( \zeta_{48}^{15} + \zeta_{48}^{9} \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( -\zeta_{48}^{7} + \zeta_{48} \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( -\zeta_{48}^{14} + \zeta_{48}^{2} \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( -\zeta_{48}^{11} + \zeta_{48}^{5} \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( -\zeta_{48}^{15} + \zeta_{48}^{9} \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( -\zeta_{48}^{14} + \zeta_{48}^{10} + \zeta_{48}^{6} \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( \zeta_{48}^{13} - \zeta_{48}^{11} + \zeta_{48}^{3} \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( -\zeta_{48}^{10} + \zeta_{48}^{6} + \zeta_{48}^{2} \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( -\zeta_{48}^{13} + \zeta_{48}^{5} + \zeta_{48}^{3} \) Copy content Toggle raw display
\(\zeta_{48}\)\(=\) \( ( \beta_{8} + \beta_{2} ) / 2 \) Copy content Toggle raw display
\(\zeta_{48}^{2}\)\(=\) \( ( \beta_{9} + \beta_{6} ) / 2 \) Copy content Toggle raw display
\(\zeta_{48}^{3}\)\(=\) \( ( \beta_{15} + \beta_{13} - \beta_{10} ) / 2 \) Copy content Toggle raw display
\(\zeta_{48}^{4}\)\(=\) \( ( \beta_1 ) / 2 \) Copy content Toggle raw display
\(\zeta_{48}^{5}\)\(=\) \( ( \beta_{10} + \beta_{4} ) / 2 \) Copy content Toggle raw display
\(\zeta_{48}^{6}\)\(=\) \( ( \beta_{14} + \beta_{12} - \beta_{9} ) / 2 \) Copy content Toggle raw display
\(\zeta_{48}^{7}\)\(=\) \( ( -\beta_{8} + \beta_{2} ) / 2 \) Copy content Toggle raw display
\(\zeta_{48}^{8}\)\(=\) \( \beta_{3} \) Copy content Toggle raw display
\(\zeta_{48}^{9}\)\(=\) \( ( \beta_{11} + \beta_{7} ) / 2 \) Copy content Toggle raw display
\(\zeta_{48}^{10}\)\(=\) \( ( -\beta_{14} + \beta_{12} + \beta_{6} ) / 2 \) Copy content Toggle raw display
\(\zeta_{48}^{11}\)\(=\) \( ( -\beta_{10} + \beta_{4} ) / 2 \) Copy content Toggle raw display
\(\zeta_{48}^{12}\)\(=\) \( ( \beta_{5} ) / 2 \) Copy content Toggle raw display
\(\zeta_{48}^{13}\)\(=\) \( ( -\beta_{15} + \beta_{13} + \beta_{4} ) / 2 \) Copy content Toggle raw display
\(\zeta_{48}^{14}\)\(=\) \( ( -\beta_{9} + \beta_{6} ) / 2 \) Copy content Toggle raw display
\(\zeta_{48}^{15}\)\(=\) \( ( -\beta_{11} + \beta_{7} ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1568\mathbb{Z}\right)^\times\).

\(n\) \(197\) \(1471\) \(1473\)
\(\chi(n)\) \(1\) \(-1\) \(1 - \beta_{3}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
31.1
−0.130526 0.991445i
−0.793353 0.608761i
0.608761 0.793353i
−0.991445 + 0.130526i
0.991445 0.130526i
−0.608761 + 0.793353i
0.793353 + 0.608761i
0.130526 + 0.991445i
−0.130526 + 0.991445i
−0.793353 + 0.608761i
0.608761 + 0.793353i
−0.991445 0.130526i
0.991445 + 0.130526i
−0.608761 0.793353i
0.793353 0.608761i
0.130526 0.991445i
0 −0.923880 + 1.60021i 0 −2.26303 + 1.30656i 0 0 0 −0.207107 0.358719i 0
31.2 0 −0.923880 + 1.60021i 0 2.26303 1.30656i 0 0 0 −0.207107 0.358719i 0
31.3 0 −0.382683 + 0.662827i 0 −0.937379 + 0.541196i 0 0 0 1.20711 + 2.09077i 0
31.4 0 −0.382683 + 0.662827i 0 0.937379 0.541196i 0 0 0 1.20711 + 2.09077i 0
31.5 0 0.382683 0.662827i 0 −0.937379 + 0.541196i 0 0 0 1.20711 + 2.09077i 0
31.6 0 0.382683 0.662827i 0 0.937379 0.541196i 0 0 0 1.20711 + 2.09077i 0
31.7 0 0.923880 1.60021i 0 −2.26303 + 1.30656i 0 0 0 −0.207107 0.358719i 0
31.8 0 0.923880 1.60021i 0 2.26303 1.30656i 0 0 0 −0.207107 0.358719i 0
607.1 0 −0.923880 1.60021i 0 −2.26303 1.30656i 0 0 0 −0.207107 + 0.358719i 0
607.2 0 −0.923880 1.60021i 0 2.26303 + 1.30656i 0 0 0 −0.207107 + 0.358719i 0
607.3 0 −0.382683 0.662827i 0 −0.937379 0.541196i 0 0 0 1.20711 2.09077i 0
607.4 0 −0.382683 0.662827i 0 0.937379 + 0.541196i 0 0 0 1.20711 2.09077i 0
607.5 0 0.382683 + 0.662827i 0 −0.937379 0.541196i 0 0 0 1.20711 2.09077i 0
607.6 0 0.382683 + 0.662827i 0 0.937379 + 0.541196i 0 0 0 1.20711 2.09077i 0
607.7 0 0.923880 + 1.60021i 0 −2.26303 1.30656i 0 0 0 −0.207107 + 0.358719i 0
607.8 0 0.923880 + 1.60021i 0 2.26303 + 1.30656i 0 0 0 −0.207107 + 0.358719i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 31.8
Significant digits:
Format:

Inner twists

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

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1568.2.p.c 16
4.b odd 2 1 inner 1568.2.p.c 16
7.b odd 2 1 inner 1568.2.p.c 16
7.c even 3 1 1568.2.f.a 8
7.c even 3 1 inner 1568.2.p.c 16
7.d odd 6 1 1568.2.f.a 8
7.d odd 6 1 inner 1568.2.p.c 16
28.d even 2 1 inner 1568.2.p.c 16
28.f even 6 1 1568.2.f.a 8
28.f even 6 1 inner 1568.2.p.c 16
28.g odd 6 1 1568.2.f.a 8
28.g odd 6 1 inner 1568.2.p.c 16
56.j odd 6 1 3136.2.f.g 8
56.k odd 6 1 3136.2.f.g 8
56.m even 6 1 3136.2.f.g 8
56.p even 6 1 3136.2.f.g 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1568.2.f.a 8 7.c even 3 1
1568.2.f.a 8 7.d odd 6 1
1568.2.f.a 8 28.f even 6 1
1568.2.f.a 8 28.g odd 6 1
1568.2.p.c 16 1.a even 1 1 trivial
1568.2.p.c 16 4.b odd 2 1 inner
1568.2.p.c 16 7.b odd 2 1 inner
1568.2.p.c 16 7.c even 3 1 inner
1568.2.p.c 16 7.d odd 6 1 inner
1568.2.p.c 16 28.d even 2 1 inner
1568.2.p.c 16 28.f even 6 1 inner
1568.2.p.c 16 28.g odd 6 1 inner
3136.2.f.g 8 56.j odd 6 1
3136.2.f.g 8 56.k odd 6 1
3136.2.f.g 8 56.m even 6 1
3136.2.f.g 8 56.p even 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{8} + 4T_{3}^{6} + 14T_{3}^{4} + 8T_{3}^{2} + 4 \) acting on \(S_{2}^{\mathrm{new}}(1568, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{8} + 4 T^{6} + 14 T^{4} + \cdots + 4)^{2} \) Copy content Toggle raw display
$5$ \( (T^{8} - 8 T^{6} + 56 T^{4} + \cdots + 64)^{2} \) Copy content Toggle raw display
$7$ \( T^{16} \) Copy content Toggle raw display
$11$ \( (T^{4} - 18 T^{2} + 324)^{4} \) Copy content Toggle raw display
$13$ \( (T^{4} + 8 T^{2} + 8)^{4} \) Copy content Toggle raw display
$17$ \( (T^{8} - 68 T^{6} + \cdots + 9604)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} + 20 T^{6} + \cdots + 9604)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} - 72 T^{6} + \cdots + 614656)^{2} \) Copy content Toggle raw display
$29$ \( (T + 4)^{16} \) Copy content Toggle raw display
$31$ \( (T^{8} + 64 T^{6} + \cdots + 262144)^{2} \) Copy content Toggle raw display
$37$ \( (T^{4} - 16 T^{3} + \cdots + 3136)^{4} \) Copy content Toggle raw display
$41$ \( (T^{4} + 100 T^{2} + 578)^{4} \) Copy content Toggle raw display
$43$ \( (T^{4} + 132 T^{2} + 3844)^{4} \) Copy content Toggle raw display
$47$ \( (T^{8} + 272 T^{6} + \cdots + 286557184)^{2} \) Copy content Toggle raw display
$53$ \( (T^{4} + 12 T^{3} + \cdots + 784)^{4} \) Copy content Toggle raw display
$59$ \( (T^{8} + 244 T^{6} + \cdots + 101646724)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} - 232 T^{6} + \cdots + 64)^{2} \) Copy content Toggle raw display
$67$ \( (T^{8} - 96 T^{6} + \cdots + 65536)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + 96 T^{2} + 256)^{4} \) Copy content Toggle raw display
$73$ \( (T^{8} - 20 T^{6} + 398 T^{4} + \cdots + 4)^{2} \) Copy content Toggle raw display
$79$ \( (T^{8} - 144 T^{6} + \cdots + 9834496)^{2} \) Copy content Toggle raw display
$83$ \( (T^{4} - 100 T^{2} + 578)^{4} \) Copy content Toggle raw display
$89$ \( (T^{8} - 100 T^{6} + \cdots + 334084)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} + 52 T^{2} + 578)^{4} \) Copy content Toggle raw display
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