Properties

Label 1776.2.q.n
Level $1776$
Weight $2$
Character orbit 1776.q
Analytic conductor $14.181$
Analytic rank $0$
Dimension $6$
Inner twists $2$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [1776,2,Mod(433,1776)] 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("1776.433"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(1776, base_ring=CyclotomicField(6)) chi = DirichletCharacter(H, H._module([0, 0, 0, 2])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 1776 = 2^{4} \cdot 3 \cdot 37 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1776.q (of order \(3\), degree \(2\), not minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [6,0,3,0,-6,0,2,0,-3,0,-2] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(11)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(14.1814313990\)
Analytic rank: \(0\)
Dimension: \(6\)
Relative dimension: \(3\) over \(\Q(\zeta_{3})\)
Coefficient field: 6.0.1415907.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} + 4x^{4} - 2x^{3} + 16x^{2} - 4x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 888)
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (\beta_{4} + 1) q^{3} + ( - 2 \beta_{4} + \beta_1 - 2) q^{5} + (\beta_{5} + \beta_{4} - \beta_{3} + \cdots + 1) q^{7} + \beta_{4} q^{9} + (2 \beta_{3} + \beta_{2} - 1) q^{11} + ( - 2 \beta_{5} + \beta_{4} + 2 \beta_{3} + \cdots + 1) q^{13}+ \cdots + ( - 2 \beta_{5} - \beta_{4} + \cdots - \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q + 3 q^{3} - 6 q^{5} + 2 q^{7} - 3 q^{9} - 2 q^{11} + 5 q^{13} + 6 q^{15} + 3 q^{17} - 5 q^{19} - 2 q^{21} - 14 q^{23} - 5 q^{25} - 6 q^{27} + 6 q^{29} - 20 q^{31} - q^{33} + 15 q^{35} + 3 q^{37} - 5 q^{39}+ \cdots + q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} + 4x^{4} - 2x^{3} + 16x^{2} - 4x + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{3} - 1 ) / 4 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{4} + 4\nu^{2} - \nu + 12 ) / 4 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{5} + 4\nu^{3} - \nu^{2} + 16\nu - 4 ) / 4 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -3\nu^{5} - 12\nu^{3} + 7\nu^{2} - 48\nu + 12 ) / 4 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{5} + 3\beta_{4} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 4\beta_{2} + 1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -4\beta_{5} - 12\beta_{4} + 4\beta_{3} + \beta _1 - 12 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( \beta_{5} + 7\beta_{4} - 16\beta_{2} - 16\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1776\mathbb{Z}\right)^\times\).

\(n\) \(223\) \(593\) \(1297\) \(1333\)
\(\chi(n)\) \(1\) \(1\) \(-1 - \beta_{4}\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
433.1
−1.05745 + 1.83156i
0.127051 0.220059i
0.930403 1.61151i
−1.05745 1.83156i
0.127051 + 0.220059i
0.930403 + 1.61151i
0 0.500000 0.866025i 0 −2.05745 + 3.56361i 0 2.29387 3.97310i 0 −0.500000 0.866025i 0
433.2 0 0.500000 0.866025i 0 −0.872949 + 1.51199i 0 −1.09477 + 1.89619i 0 −0.500000 0.866025i 0
433.3 0 0.500000 0.866025i 0 −0.0695971 + 0.120546i 0 −0.199104 + 0.344858i 0 −0.500000 0.866025i 0
1009.1 0 0.500000 + 0.866025i 0 −2.05745 3.56361i 0 2.29387 + 3.97310i 0 −0.500000 + 0.866025i 0
1009.2 0 0.500000 + 0.866025i 0 −0.872949 1.51199i 0 −1.09477 1.89619i 0 −0.500000 + 0.866025i 0
1009.3 0 0.500000 + 0.866025i 0 −0.0695971 0.120546i 0 −0.199104 0.344858i 0 −0.500000 + 0.866025i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 433.3
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
37.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1776.2.q.n 6
4.b odd 2 1 888.2.q.e 6
12.b even 2 1 2664.2.r.l 6
37.c even 3 1 inner 1776.2.q.n 6
148.i odd 6 1 888.2.q.e 6
444.t even 6 1 2664.2.r.l 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
888.2.q.e 6 4.b odd 2 1
888.2.q.e 6 148.i odd 6 1
1776.2.q.n 6 1.a even 1 1 trivial
1776.2.q.n 6 37.c even 3 1 inner
2664.2.r.l 6 12.b even 2 1
2664.2.r.l 6 444.t even 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1776, [\chi])\):

\( T_{5}^{6} + 6T_{5}^{5} + 28T_{5}^{4} + 46T_{5}^{3} + 58T_{5}^{2} + 8T_{5} + 1 \) Copy content Toggle raw display
\( T_{11}^{3} + T_{11}^{2} - 19T_{11} - 32 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} \) Copy content Toggle raw display
$3$ \( (T^{2} - T + 1)^{3} \) Copy content Toggle raw display
$5$ \( T^{6} + 6 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$7$ \( T^{6} - 2 T^{5} + \cdots + 16 \) Copy content Toggle raw display
$11$ \( (T^{3} + T^{2} - 19 T - 32)^{2} \) Copy content Toggle raw display
$13$ \( T^{6} - 5 T^{5} + \cdots + 4 \) Copy content Toggle raw display
$17$ \( (T^{2} - T + 1)^{3} \) Copy content Toggle raw display
$19$ \( T^{6} + 5 T^{5} + \cdots + 3136 \) Copy content Toggle raw display
$23$ \( (T^{3} + 7 T^{2} + 11 T + 4)^{2} \) Copy content Toggle raw display
$29$ \( (T^{3} - 3 T^{2} - 13 T + 7)^{2} \) Copy content Toggle raw display
$31$ \( (T^{3} + 10 T^{2} + \cdots - 64)^{2} \) Copy content Toggle raw display
$37$ \( T^{6} - 3 T^{5} + \cdots + 50653 \) Copy content Toggle raw display
$41$ \( T^{6} - 6 T^{5} + \cdots + 786769 \) Copy content Toggle raw display
$43$ \( (T^{3} - 11 T^{2} + \cdots + 584)^{2} \) Copy content Toggle raw display
$47$ \( (T^{3} + 4 T^{2} - T - 8)^{2} \) Copy content Toggle raw display
$53$ \( T^{6} - 10 T^{5} + \cdots + 196 \) Copy content Toggle raw display
$59$ \( T^{6} + 5 T^{5} + \cdots + 87616 \) Copy content Toggle raw display
$61$ \( T^{6} - 3 T^{5} + \cdots + 11664 \) Copy content Toggle raw display
$67$ \( T^{6} + 13 T^{5} + \cdots + 8464 \) Copy content Toggle raw display
$71$ \( T^{6} + 172 T^{4} + \cdots + 719104 \) Copy content Toggle raw display
$73$ \( (T^{3} - 10 T^{2} - 52 T + 8)^{2} \) Copy content Toggle raw display
$79$ \( T^{6} - 19 T^{5} + \cdots + 38416 \) Copy content Toggle raw display
$83$ \( T^{6} - 4 T^{5} + \cdots + 16384 \) Copy content Toggle raw display
$89$ \( T^{6} + 13 T^{5} + \cdots + 929296 \) Copy content Toggle raw display
$97$ \( (T^{3} - 34 T^{2} + \cdots - 1211)^{2} \) Copy content Toggle raw display
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