Properties

Label 3168.2.b.n
Level $3168$
Weight $2$
Character orbit 3168.b
Analytic conductor $25.297$
Analytic rank $0$
Dimension $8$
Inner twists $4$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [3168,2,Mod(2177,3168)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("3168.2177"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(3168, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 1, 1])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 3168 = 2^{5} \cdot 3^{2} \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3168.b (of order \(2\), degree \(1\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,0,0,0,0,0,0,0,-40] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(25)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(25.2966073603\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: 8.0.4956160000.6
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} + 10x^{6} + 22x^{4} + 10x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{6} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

Copy content comment:q-expansion
 
Copy content sage:f.q_expansion() # note that sage often uses an isomorphic number field
 
Copy content gp:mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{7}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_1 q^{5} + \beta_{7} q^{7} - \beta_{4} q^{11} - 2 \beta_{5} q^{13} + (\beta_{2} + 3) q^{17} + (\beta_{7} + \beta_{4} + \beta_{3}) q^{19} + 2 \beta_{7} q^{23} - 5 q^{25} + ( - \beta_{2} + 1) q^{29}+ \cdots + (2 \beta_{2} + 8) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q + 24 q^{17} - 40 q^{25} + 8 q^{29} + 32 q^{37} - 24 q^{41} - 8 q^{49} - 8 q^{77} + 64 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} + 10x^{6} + 22x^{4} + 10x^{2} + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{7} + 11\nu^{5} + 31\nu^{3} + 21\nu ) / 2 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( -\nu^{6} - 10\nu^{4} - 21\nu^{2} - 5 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -2\nu^{7} + \nu^{6} - 20\nu^{5} + 9\nu^{4} - 44\nu^{3} + 13\nu^{2} - 22\nu - 1 ) / 2 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -2\nu^{7} - \nu^{6} - 20\nu^{5} - 9\nu^{4} - 44\nu^{3} - 13\nu^{2} - 22\nu + 1 ) / 2 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 3\nu^{7} + 29\nu^{5} + 57\nu^{3} + 15\nu ) / 2 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( 2\nu^{6} + 19\nu^{4} + 36\nu^{2} + 9 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -5\nu^{7} - 49\nu^{5} - 99\nu^{3} - 23\nu ) / 2 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{5} - \beta_{4} - \beta_{3} - \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{6} + \beta_{4} - \beta_{3} + \beta_{2} - 5 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 4\beta_{7} + 11\beta_{5} + 5\beta_{4} + 5\beta_{3} + 7\beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -4\beta_{6} - 3\beta_{4} + 3\beta_{3} - 5\beta_{2} + 14 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -36\beta_{7} - 89\beta_{5} - 33\beta_{4} - 33\beta_{3} - 45\beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 59\beta_{6} + 39\beta_{4} - 39\beta_{3} + 77\beta_{2} - 185 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 272\beta_{7} + 659\beta_{5} + 229\beta_{4} + 229\beta_{3} + 307\beta_1 ) / 4 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3168\mathbb{Z}\right)^\times\).

\(n\) \(353\) \(991\) \(1189\) \(1729\)
\(\chi(n)\) \(-1\) \(1\) \(1\) \(-1\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
2177.1
0.654306i
2.66367i
0.375422i
1.52834i
1.52834i
0.375422i
2.66367i
0.654306i
0 0 0 3.16228i 0 3.53159i 0 0 0
2177.2 0 0 0 3.16228i 0 1.87826i 0 0 0
2177.3 0 0 0 3.16228i 0 1.87826i 0 0 0
2177.4 0 0 0 3.16228i 0 3.53159i 0 0 0
2177.5 0 0 0 3.16228i 0 3.53159i 0 0 0
2177.6 0 0 0 3.16228i 0 1.87826i 0 0 0
2177.7 0 0 0 3.16228i 0 1.87826i 0 0 0
2177.8 0 0 0 3.16228i 0 3.53159i 0 0 0
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 2177.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
33.d even 2 1 inner
132.d odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3168.2.b.n yes 8
3.b odd 2 1 3168.2.b.m 8
4.b odd 2 1 inner 3168.2.b.n yes 8
8.b even 2 1 6336.2.b.bb 8
8.d odd 2 1 6336.2.b.bb 8
11.b odd 2 1 3168.2.b.m 8
12.b even 2 1 3168.2.b.m 8
24.f even 2 1 6336.2.b.ba 8
24.h odd 2 1 6336.2.b.ba 8
33.d even 2 1 inner 3168.2.b.n yes 8
44.c even 2 1 3168.2.b.m 8
88.b odd 2 1 6336.2.b.ba 8
88.g even 2 1 6336.2.b.ba 8
132.d odd 2 1 inner 3168.2.b.n yes 8
264.m even 2 1 6336.2.b.bb 8
264.p odd 2 1 6336.2.b.bb 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3168.2.b.m 8 3.b odd 2 1
3168.2.b.m 8 11.b odd 2 1
3168.2.b.m 8 12.b even 2 1
3168.2.b.m 8 44.c even 2 1
3168.2.b.n yes 8 1.a even 1 1 trivial
3168.2.b.n yes 8 4.b odd 2 1 inner
3168.2.b.n yes 8 33.d even 2 1 inner
3168.2.b.n yes 8 132.d odd 2 1 inner
6336.2.b.ba 8 24.f even 2 1
6336.2.b.ba 8 24.h odd 2 1
6336.2.b.ba 8 88.b odd 2 1
6336.2.b.ba 8 88.g even 2 1
6336.2.b.bb 8 8.b even 2 1
6336.2.b.bb 8 8.d odd 2 1
6336.2.b.bb 8 264.m even 2 1
6336.2.b.bb 8 264.p odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(3168, [\chi])\):

\( T_{5}^{2} + 10 \) Copy content Toggle raw display
\( T_{7}^{4} + 16T_{7}^{2} + 44 \) Copy content Toggle raw display
\( T_{17}^{2} - 6T_{17} + 4 \) Copy content Toggle raw display
\( T_{31}^{4} - 112T_{31}^{2} + 2816 \) Copy content Toggle raw display
\( T_{83}^{4} - 272T_{83}^{2} + 2816 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \) Copy content Toggle raw display
$3$ \( T^{8} \) Copy content Toggle raw display
$5$ \( (T^{2} + 10)^{4} \) Copy content Toggle raw display
$7$ \( (T^{4} + 16 T^{2} + 44)^{2} \) Copy content Toggle raw display
$11$ \( T^{8} + 12 T^{6} + \cdots + 14641 \) Copy content Toggle raw display
$13$ \( (T^{2} + 8)^{4} \) Copy content Toggle raw display
$17$ \( (T^{2} - 6 T + 4)^{4} \) Copy content Toggle raw display
$19$ \( (T^{4} + 64 T^{2} + 44)^{2} \) Copy content Toggle raw display
$23$ \( (T^{4} + 64 T^{2} + 704)^{2} \) Copy content Toggle raw display
$29$ \( (T^{2} - 2 T - 4)^{4} \) Copy content Toggle raw display
$31$ \( (T^{4} - 112 T^{2} + 2816)^{2} \) Copy content Toggle raw display
$37$ \( (T - 4)^{8} \) Copy content Toggle raw display
$41$ \( (T^{2} + 6 T - 36)^{4} \) Copy content Toggle raw display
$43$ \( (T^{4} + 64 T^{2} + 44)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} + 136 T^{2} + 704)^{2} \) Copy content Toggle raw display
$53$ \( (T^{4} + 84 T^{2} + 484)^{2} \) Copy content Toggle raw display
$59$ \( (T^{4} + 56 T^{2} + 704)^{2} \) Copy content Toggle raw display
$61$ \( (T^{4} + 216 T^{2} + 7744)^{2} \) Copy content Toggle raw display
$67$ \( (T^{4} - 208 T^{2} + 2816)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + 104 T^{2} + 704)^{2} \) Copy content Toggle raw display
$73$ \( (T^{4} + 24 T^{2} + 64)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} + 16 T^{2} + 44)^{2} \) Copy content Toggle raw display
$83$ \( (T^{4} - 272 T^{2} + 2816)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} + 276 T^{2} + 3364)^{2} \) Copy content Toggle raw display
$97$ \( (T^{2} - 16 T + 44)^{4} \) Copy content Toggle raw display
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