Properties

Label 1248.2.bv.b
Level $1248$
Weight $2$
Character orbit 1248.bv
Analytic conductor $9.965$
Analytic rank $0$
Dimension $12$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1248,2,Mod(673,1248)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1248, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 5]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1248.673");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1248 = 2^{5} \cdot 3 \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1248.bv (of order \(6\), degree \(2\), 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: \(9.96533017226\)
Analytic rank: \(0\)
Dimension: \(12\)
Relative dimension: \(6\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{12} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - 6 x^{11} + 31 x^{10} - 100 x^{9} + 268 x^{8} - 538 x^{7} + 891 x^{6} - 1144 x^{5} + 1178 x^{4} + \cdots + 37 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{6} \)
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 \(1,\beta_1,\ldots,\beta_{11}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{4} q^{3} + (\beta_{8} - \beta_{7} - \beta_{6} + \cdots - 1) q^{5}+ \cdots + (\beta_{4} - 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{4} q^{3} + (\beta_{8} - \beta_{7} - \beta_{6} + \cdots - 1) q^{5}+ \cdots + ( - \beta_{10} + \beta_{8} + \cdots - \beta_{5}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q + 6 q^{3} + 6 q^{7} - 6 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 12 q + 6 q^{3} + 6 q^{7} - 6 q^{9} - 2 q^{13} - 8 q^{23} + 4 q^{25} - 12 q^{27} + 8 q^{29} - 4 q^{39} - 24 q^{41} + 6 q^{43} - 12 q^{49} + 24 q^{53} + 20 q^{55} - 12 q^{59} - 18 q^{61} - 6 q^{63} - 20 q^{65} + 18 q^{67} + 8 q^{69} + 24 q^{71} + 2 q^{75} - 24 q^{77} - 28 q^{79} - 6 q^{81} - 24 q^{85} - 8 q^{87} - 2 q^{91} + 6 q^{93} - 36 q^{95} + 54 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - 6 x^{11} + 31 x^{10} - 100 x^{9} + 268 x^{8} - 538 x^{7} + 891 x^{6} - 1144 x^{5} + 1178 x^{4} + \cdots + 37 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 57 \nu^{11} + 229 \nu^{10} - 1061 \nu^{9} + 2381 \nu^{8} - 4875 \nu^{7} + 6005 \nu^{6} - 5619 \nu^{5} + \cdots + 669 ) / 169 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 66 \nu^{11} - 363 \nu^{10} + 1780 \nu^{9} - 5034 \nu^{8} + 11960 \nu^{7} - 18543 \nu^{6} + 22748 \nu^{5} + \cdots + 5932 ) / 338 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 140 \nu^{11} - 601 \nu^{10} + 2772 \nu^{9} - 6530 \nu^{8} + 13468 \nu^{7} - 16703 \nu^{6} + \cdots + 4850 ) / 338 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 72 \nu^{11} - 396 \nu^{10} + 2034 \nu^{9} - 6183 \nu^{8} + 16120 \nu^{7} - 30338 \nu^{6} + 47462 \nu^{5} + \cdots - 2455 ) / 338 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - 66 \nu^{11} + 363 \nu^{10} - 1780 \nu^{9} + 5541 \nu^{8} - 13988 \nu^{7} + 28007 \nu^{6} + \cdots + 6405 ) / 338 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 206 \nu^{11} - 964 \nu^{10} + 4552 \nu^{9} - 11733 \nu^{8} + 26104 \nu^{7} - 38626 \nu^{6} + \cdots + 2163 ) / 338 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 2 \nu^{10} + 10 \nu^{9} - 47 \nu^{8} + 128 \nu^{7} - 290 \nu^{6} + 464 \nu^{5} - 583 \nu^{4} + \cdots - 21 ) / 2 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 103 \nu^{11} + 482 \nu^{10} - 2276 \nu^{9} + 5951 \nu^{8} - 13390 \nu^{7} + 20834 \nu^{6} + \cdots + 355 ) / 169 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 57 \nu^{11} - 398 \nu^{10} + 1906 \nu^{9} - 6268 \nu^{8} + 15353 \nu^{7} - 28820 \nu^{6} + 40940 \nu^{5} + \cdots + 514 ) / 169 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 66 \nu^{11} - 701 \nu^{10} + 3470 \nu^{9} - 13484 \nu^{8} + 35620 \nu^{7} - 77017 \nu^{6} + \cdots - 10292 ) / 338 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 258 \nu^{11} + 1757 \nu^{10} - 8894 \nu^{9} + 29803 \nu^{8} - 78156 \nu^{7} + 155665 \nu^{6} + \cdots + 17571 ) / 338 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{10} - \beta_{7} + \beta_{5} + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 2\beta_{10} + 2\beta_{8} - 2\beta_{7} + \beta_{6} + \beta_{5} + \beta_{3} - 4 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{11} - 2 \beta_{10} + \beta_{9} + 3 \beta_{8} + 3 \beta_{7} + 2 \beta_{6} - \beta_{5} + 5 \beta_{4} + \cdots - 6 ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( \beta_{11} - 6 \beta_{10} - 5 \beta_{8} + 8 \beta_{7} - 3 \beta_{6} - \beta_{5} + 5 \beta_{4} - 2 \beta_{3} + \cdots + 6 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( - 6 \beta_{11} - 15 \beta_{9} - 33 \beta_{8} + 2 \beta_{7} - 20 \beta_{6} + 3 \beta_{5} - 29 \beta_{4} + \cdots + 38 ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( - 23 \beta_{11} + 69 \beta_{10} - 22 \beta_{9} + 26 \beta_{8} - 96 \beta_{7} + 25 \beta_{6} + 2 \beta_{5} + \cdots - 33 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 16 \beta_{11} + 55 \beta_{10} + 102 \beta_{9} + 246 \beta_{8} - 117 \beta_{7} + 161 \beta_{6} + \cdots - 243 ) / 2 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( 88 \beta_{11} - 199 \beta_{10} + 150 \beta_{9} + 47 \beta_{8} + 248 \beta_{7} - 14 \beta_{6} - 7 \beta_{5} + \cdots + 2 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 74 \beta_{11} - 707 \beta_{10} - 423 \beta_{9} - 1539 \beta_{8} + 1273 \beta_{7} - 1136 \beta_{6} + \cdots + 1551 ) / 2 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( - 1121 \beta_{11} + 2045 \beta_{10} - 2666 \beta_{9} - 2212 \beta_{8} - 2014 \beta_{7} - 874 \beta_{6} + \cdots + 1333 ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 1627 \beta_{11} + 6703 \beta_{10} + 129 \beta_{9} + 8129 \beta_{8} - 10552 \beta_{7} + 6991 \beta_{6} + \cdots - 9175 ) / 2 \) Copy content Toggle raw display

Character values

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

\(n\) \(703\) \(769\) \(833\) \(1093\)
\(\chi(n)\) \(1\) \(1 - \beta_{4}\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
673.1
0.500000 + 1.38157i
0.500000 1.77042i
0.500000 2.57244i
0.500000 + 0.418260i
0.500000 0.675156i
0.500000 + 1.48614i
0.500000 1.48614i
0.500000 + 0.675156i
0.500000 0.418260i
0.500000 + 2.57244i
0.500000 + 1.77042i
0.500000 1.38157i
0 0.500000 + 0.866025i 0 3.05170i 0 0.282067 + 0.162852i 0 −0.500000 + 0.866025i 0
673.2 0 0.500000 + 0.866025i 0 1.18206i 0 2.61613 + 1.51042i 0 −0.500000 + 0.866025i 0
673.3 0 0.500000 + 0.866025i 0 0.911864i 0 −0.371524 0.214499i 0 −0.500000 + 0.866025i 0
673.4 0 0.500000 + 0.866025i 0 0.350612i 0 −1.84229 1.06365i 0 −0.500000 + 0.866025i 0
673.5 0 0.500000 + 0.866025i 0 1.96357i 0 3.32151 + 1.91767i 0 −0.500000 + 0.866025i 0
673.6 0 0.500000 + 0.866025i 0 3.53268i 0 −1.00589 0.580753i 0 −0.500000 + 0.866025i 0
1057.1 0 0.500000 0.866025i 0 3.53268i 0 −1.00589 + 0.580753i 0 −0.500000 0.866025i 0
1057.2 0 0.500000 0.866025i 0 1.96357i 0 3.32151 1.91767i 0 −0.500000 0.866025i 0
1057.3 0 0.500000 0.866025i 0 0.350612i 0 −1.84229 + 1.06365i 0 −0.500000 0.866025i 0
1057.4 0 0.500000 0.866025i 0 0.911864i 0 −0.371524 + 0.214499i 0 −0.500000 0.866025i 0
1057.5 0 0.500000 0.866025i 0 1.18206i 0 2.61613 1.51042i 0 −0.500000 0.866025i 0
1057.6 0 0.500000 0.866025i 0 3.05170i 0 0.282067 0.162852i 0 −0.500000 0.866025i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 673.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
13.e even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1248.2.bv.b yes 12
4.b odd 2 1 1248.2.bv.a 12
13.e even 6 1 inner 1248.2.bv.b yes 12
52.i odd 6 1 1248.2.bv.a 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1248.2.bv.a 12 4.b odd 2 1
1248.2.bv.a 12 52.i odd 6 1
1248.2.bv.b yes 12 1.a even 1 1 trivial
1248.2.bv.b yes 12 13.e even 6 1 inner

Hecke kernels

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

\( T_{5}^{12} + 28T_{5}^{10} + 262T_{5}^{8} + 956T_{5}^{6} + 1345T_{5}^{4} + 672T_{5}^{2} + 64 \) Copy content Toggle raw display
\( T_{7}^{12} - 6 T_{7}^{11} + 3 T_{7}^{10} + 54 T_{7}^{9} - 23 T_{7}^{8} - 324 T_{7}^{7} + 152 T_{7}^{6} + \cdots + 16 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} \) Copy content Toggle raw display
$3$ \( (T^{2} - T + 1)^{6} \) Copy content Toggle raw display
$5$ \( T^{12} + 28 T^{10} + \cdots + 64 \) Copy content Toggle raw display
$7$ \( T^{12} - 6 T^{11} + \cdots + 16 \) Copy content Toggle raw display
$11$ \( T^{12} - 32 T^{10} + \cdots + 256 \) Copy content Toggle raw display
$13$ \( T^{12} + 2 T^{11} + \cdots + 4826809 \) Copy content Toggle raw display
$17$ \( T^{12} + 54 T^{10} + \cdots + 35344 \) Copy content Toggle raw display
$19$ \( T^{12} - 48 T^{10} + \cdots + 256 \) Copy content Toggle raw display
$23$ \( T^{12} + 8 T^{11} + \cdots + 1024 \) Copy content Toggle raw display
$29$ \( T^{12} + \cdots + 119946304 \) Copy content Toggle raw display
$31$ \( T^{12} + \cdots + 100962304 \) Copy content Toggle raw display
$37$ \( T^{12} - 94 T^{10} + \cdots + 38142976 \) Copy content Toggle raw display
$41$ \( T^{12} + 24 T^{11} + \cdots + 746496 \) Copy content Toggle raw display
$43$ \( T^{12} - 6 T^{11} + \cdots + 17073424 \) Copy content Toggle raw display
$47$ \( T^{12} + \cdots + 20565854464 \) Copy content Toggle raw display
$53$ \( (T^{6} - 12 T^{5} + \cdots + 17488)^{2} \) Copy content Toggle raw display
$59$ \( T^{12} + \cdots + 4294967296 \) Copy content Toggle raw display
$61$ \( T^{12} + \cdots + 20054241769 \) Copy content Toggle raw display
$67$ \( T^{12} - 18 T^{11} + \cdots + 21904 \) Copy content Toggle raw display
$71$ \( T^{12} - 24 T^{11} + \cdots + 2262016 \) Copy content Toggle raw display
$73$ \( T^{12} + \cdots + 147042338521 \) Copy content Toggle raw display
$79$ \( (T^{6} + 14 T^{5} + \cdots + 251200)^{2} \) Copy content Toggle raw display
$83$ \( T^{12} + \cdots + 31946557696 \) Copy content Toggle raw display
$89$ \( T^{12} - 132 T^{10} + \cdots + 11075584 \) Copy content Toggle raw display
$97$ \( T^{12} + \cdots + 394886560000 \) Copy content Toggle raw display
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