Properties

Label 1248.2.q.l
Level $1248$
Weight $2$
Character orbit 1248.q
Analytic conductor $9.965$
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] = [1248,2,Mod(289,1248)] 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("1248.289"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(1248, base_ring=CyclotomicField(6)) chi = DirichletCharacter(H, H._module([0, 0, 0, 2])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 1248 = 2^{5} \cdot 3 \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1248.q (of order \(3\), degree \(2\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [6,0,3,0,-6] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(5)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(9.96533017226\)
Analytic rank: \(0\)
Dimension: \(6\)
Relative dimension: \(3\) over \(\Q(\zeta_{3})\)
Coefficient field: 6.0.7873200.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} + 12x^{4} + 36x^{2} + 12 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{2} \)
Twist minimal: yes
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.

\(f(q)\) \(=\) \( q + \beta_1 q^{3} - q^{5} + (\beta_{5} - \beta_{2}) q^{7} + (\beta_1 - 1) q^{9} + \beta_{5} q^{11} + ( - \beta_{5} + \beta_{4} + \cdots - \beta_1) q^{13} - \beta_1 q^{15} + (\beta_{5} - \beta_{2} - \beta_1 + 1) q^{17}+ \cdots - \beta_{2} q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q + 3 q^{3} - 6 q^{5} - 3 q^{9} - 3 q^{13} - 3 q^{15} + 3 q^{17} - 24 q^{25} - 6 q^{27} + 3 q^{29} - 9 q^{37} + 3 q^{39} + 3 q^{41} - 12 q^{43} + 3 q^{45} - 24 q^{47} - 3 q^{49} + 6 q^{51} - 6 q^{53}+ \cdots - 6 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} + 12x^{4} + 36x^{2} + 12 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{3} + 6\nu + 2 ) / 4 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} + 4 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{4} + 8\nu^{2} + 2\nu + 8 ) / 2 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -\nu^{4} - 8\nu^{2} + 2\nu - 8 ) / 2 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( \nu^{5} + 10\nu^{3} + 2\nu^{2} + 24\nu + 8 ) / 4 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{4} + \beta_{3} ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} - 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -3\beta_{4} - 3\beta_{3} + 4\beta _1 - 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -\beta_{4} + \beta_{3} - 8\beta_{2} + 24 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 4\beta_{5} + 18\beta_{4} + 18\beta_{3} - 2\beta_{2} - 40\beta _1 + 20 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1248\mathbb{Z}\right)^\times\).

\(n\) \(703\) \(769\) \(833\) \(1093\)
\(\chi(n)\) \(1\) \(-1 + \beta_{1}\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
289.1
0.616380i
2.08243i
2.69881i
0.616380i
2.08243i
2.69881i
0 0.500000 + 0.866025i 0 −1.00000 0 −1.81004 + 3.13508i 0 −0.500000 + 0.866025i 0
289.2 0 0.500000 + 0.866025i 0 −1.00000 0 0.168254 0.291425i 0 −0.500000 + 0.866025i 0
289.3 0 0.500000 + 0.866025i 0 −1.00000 0 1.64178 2.84365i 0 −0.500000 + 0.866025i 0
1153.1 0 0.500000 0.866025i 0 −1.00000 0 −1.81004 3.13508i 0 −0.500000 0.866025i 0
1153.2 0 0.500000 0.866025i 0 −1.00000 0 0.168254 + 0.291425i 0 −0.500000 0.866025i 0
1153.3 0 0.500000 0.866025i 0 −1.00000 0 1.64178 + 2.84365i 0 −0.500000 0.866025i 0
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 289.3
Significant digits:
Format:

Inner twists

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

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1248.2.q.l yes 6
4.b odd 2 1 1248.2.q.k 6
13.c even 3 1 inner 1248.2.q.l yes 6
52.j odd 6 1 1248.2.q.k 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1248.2.q.k 6 4.b odd 2 1
1248.2.q.k 6 52.j odd 6 1
1248.2.q.l yes 6 1.a even 1 1 trivial
1248.2.q.l yes 6 13.c even 3 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1248, [\chi])\):

\( T_{5} + 1 \) Copy content Toggle raw display
\( T_{7}^{6} + 12T_{7}^{4} - 8T_{7}^{3} + 144T_{7}^{2} - 48T_{7} + 16 \) Copy content Toggle raw display
\( T_{19}^{6} + 48T_{19}^{4} + 136T_{19}^{3} + 2304T_{19}^{2} + 3264T_{19} + 4624 \) 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
$5$ \( (T + 1)^{6} \) Copy content Toggle raw display
$7$ \( T^{6} + 12 T^{4} + \cdots + 16 \) Copy content Toggle raw display
$11$ \( T^{6} + 12 T^{4} + \cdots + 16 \) Copy content Toggle raw display
$13$ \( T^{6} + 3 T^{5} + \cdots + 2197 \) Copy content Toggle raw display
$17$ \( T^{6} - 3 T^{5} + \cdots + 225 \) Copy content Toggle raw display
$19$ \( T^{6} + 48 T^{4} + \cdots + 4624 \) Copy content Toggle raw display
$23$ \( T^{6} + 72 T^{4} + \cdots + 1296 \) Copy content Toggle raw display
$29$ \( T^{6} - 3 T^{5} + \cdots + 46225 \) Copy content Toggle raw display
$31$ \( (T^{3} - 48 T - 32)^{2} \) Copy content Toggle raw display
$37$ \( T^{6} + 9 T^{5} + \cdots + 34225 \) Copy content Toggle raw display
$41$ \( T^{6} - 3 T^{5} + \cdots + 11449 \) Copy content Toggle raw display
$43$ \( T^{6} + 12 T^{5} + \cdots + 38416 \) Copy content Toggle raw display
$47$ \( (T^{3} + 12 T^{2} + \cdots - 916)^{2} \) Copy content Toggle raw display
$53$ \( (T^{3} + 3 T^{2} + \cdots + 281)^{2} \) Copy content Toggle raw display
$59$ \( T^{6} - 12 T^{5} + \cdots + 25600 \) Copy content Toggle raw display
$61$ \( T^{6} + 9 T^{5} + \cdots + 35721 \) Copy content Toggle raw display
$67$ \( T^{6} - 12 T^{5} + \cdots + 35344 \) Copy content Toggle raw display
$71$ \( T^{6} - 12 T^{5} + \cdots + 38416 \) Copy content Toggle raw display
$73$ \( (T^{3} - 9 T^{2} + \cdots + 333)^{2} \) Copy content Toggle raw display
$79$ \( (T - 8)^{6} \) Copy content Toggle raw display
$83$ \( (T^{3} - 108 T - 108)^{2} \) Copy content Toggle raw display
$89$ \( (T^{2} + 10 T + 100)^{3} \) Copy content Toggle raw display
$97$ \( T^{6} + 6 T^{5} + \cdots + 1827904 \) Copy content Toggle raw display
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