Properties

Label 832.2.bu.n
Level $832$
Weight $2$
Character orbit 832.bu
Analytic conductor $6.644$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [832,2,Mod(63,832)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(832, base_ring=CyclotomicField(12))
 
chi = DirichletCharacter(H, H._module([6, 0, 7]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("832.63");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 832 = 2^{6} \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 832.bu (of order \(12\), degree \(4\), 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: \(6.64355344817\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(4\) over \(\Q(\zeta_{12})\)
Coefficient field: 16.0.102930383934669717504.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 4 x^{15} + 5 x^{14} - 2 x^{13} + 5 x^{12} - 8 x^{11} - 12 x^{10} + 32 x^{9} - 36 x^{8} + \cdots + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{9}]\)
Coefficient ring index: \( 2^{8} \)
Twist minimal: no (minimal twist has level 52)
Sato-Tate group: $\mathrm{SU}(2)[C_{12}]$

$q$-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.

\(f(q)\) \(=\) \( q + ( - \beta_{14} - \beta_{2}) q^{3} + ( - \beta_{8} - \beta_{6} + \beta_{3}) q^{5} + ( - \beta_{15} - \beta_{14}) q^{7} + ( - \beta_{8} - \beta_{6} - \beta_1 - 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{14} - \beta_{2}) q^{3} + ( - \beta_{8} - \beta_{6} + \beta_{3}) q^{5} + ( - \beta_{15} - \beta_{14}) q^{7} + ( - \beta_{8} - \beta_{6} - \beta_1 - 1) q^{9} + ( - \beta_{15} - \beta_{11} + \cdots + \beta_{2}) q^{11}+ \cdots + (2 \beta_{14} + 2 \beta_{11} + \cdots + 2 \beta_{2}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 12 q^{5} + 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 12 q^{5} + 4 q^{9} + 12 q^{13} + 12 q^{17} + 28 q^{21} + 8 q^{29} - 20 q^{33} + 16 q^{37} + 48 q^{41} - 20 q^{45} + 60 q^{49} + 32 q^{53} + 12 q^{57} - 4 q^{61} - 8 q^{65} + 12 q^{69} + 20 q^{73} + 48 q^{81} - 20 q^{85} - 52 q^{89} + 92 q^{93} - 28 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 4 x^{15} + 5 x^{14} - 2 x^{13} + 5 x^{12} - 8 x^{11} - 12 x^{10} + 32 x^{9} - 36 x^{8} + \cdots + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 2 \nu^{15} - \nu^{14} - 4 \nu^{13} - 3 \nu^{12} - 6 \nu^{11} + 9 \nu^{10} + 34 \nu^{9} - 2 \nu^{8} + \cdots - 416 ) / 352 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( - 4 \nu^{15} + 19 \nu^{14} - 54 \nu^{13} - 5 \nu^{12} - 8 \nu^{11} + 135 \nu^{10} + 66 \nu^{9} + \cdots + 4416 ) / 704 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 25 \nu^{15} - 6 \nu^{14} - 31 \nu^{13} - 76 \nu^{12} + 61 \nu^{11} + 182 \nu^{10} - 40 \nu^{8} + \cdots + 384 ) / 1408 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 3 \nu^{15} + 62 \nu^{14} - 27 \nu^{13} - 56 \nu^{12} - 167 \nu^{11} + 146 \nu^{10} + 400 \nu^{9} + \cdots + 2560 ) / 1408 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 25 \nu^{15} - 72 \nu^{14} + 13 \nu^{13} + 34 \nu^{12} + 149 \nu^{11} + 28 \nu^{10} - 396 \nu^{9} + \cdots - 2432 ) / 1408 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 17 \nu^{15} - 42 \nu^{14} + 17 \nu^{13} - 20 \nu^{12} + 101 \nu^{11} + 6 \nu^{10} - 208 \nu^{9} + \cdots - 3072 ) / 704 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 15 \nu^{15} + 48 \nu^{14} + 13 \nu^{13} + 6 \nu^{12} - 123 \nu^{11} - 88 \nu^{10} + 292 \nu^{9} + \cdots + 384 ) / 704 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 53 \nu^{15} - 139 \nu^{14} + 61 \nu^{13} + 3 \nu^{12} + 271 \nu^{11} - 59 \nu^{10} - 748 \nu^{9} + \cdots - 9408 ) / 704 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 37 \nu^{15} - 147 \nu^{14} + 119 \nu^{13} + 27 \nu^{12} + 233 \nu^{11} - 231 \nu^{10} - 754 \nu^{9} + \cdots - 12352 ) / 704 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 54 \nu^{15} + 153 \nu^{14} - 72 \nu^{13} - 7 \nu^{12} - 302 \nu^{11} + 33 \nu^{10} + 818 \nu^{9} + \cdots + 9408 ) / 704 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 119 \nu^{15} - 308 \nu^{14} + 183 \nu^{13} - 30 \nu^{12} + 519 \nu^{11} - 128 \nu^{10} - 1600 \nu^{9} + \cdots - 21888 ) / 1408 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 135 \nu^{15} - 254 \nu^{14} + 31 \nu^{13} - 120 \nu^{12} + 587 \nu^{11} + 326 \nu^{10} - 1344 \nu^{9} + \cdots - 11648 ) / 1408 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 125 \nu^{15} + 402 \nu^{14} - 169 \nu^{13} - 16 \nu^{12} - 797 \nu^{11} + 62 \nu^{10} + \cdots + 18944 ) / 1408 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( - 163 \nu^{15} + 434 \nu^{14} - 143 \nu^{13} - 36 \nu^{12} - 851 \nu^{11} + 30 \nu^{10} + \cdots + 22528 ) / 1408 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( - 195 \nu^{15} + 606 \nu^{14} - 415 \nu^{13} - 32 \nu^{12} - 1099 \nu^{11} + 674 \nu^{10} + \cdots + 49152 ) / 1408 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{15} + \beta_{13} + 2\beta_{11} - 2\beta_{7} - 2\beta_{4} - 2\beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -\beta_{14} + \beta_{13} - 2\beta_{12} + 2\beta_{11} - \beta_{10} - 2\beta_{8} - 2\beta_{4} + 4\beta_{3} + \beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{15} + \beta_{14} + 2 \beta_{13} + 4 \beta_{12} + 2 \beta_{11} - \beta_{10} + 2 \beta_{9} + \cdots - 2 ) / 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( - \beta_{15} + 2 \beta_{14} - \beta_{13} + 2 \beta_{11} - 2 \beta_{10} - 6 \beta_{9} + 2 \beta_{8} + \cdots + 2 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 5 \beta_{14} - 3 \beta_{13} + 4 \beta_{11} + 3 \beta_{10} + 2 \beta_{9} + 2 \beta_{8} + 6 \beta_{7} + \cdots - 10 ) / 4 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 7 \beta_{15} + 9 \beta_{14} + 2 \beta_{12} - 7 \beta_{10} + 2 \beta_{9} + 20 \beta_{8} + 2 \beta_{6} + \cdots + 10 ) / 4 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( \beta_{15} + 6 \beta_{14} - 5 \beta_{13} + 4 \beta_{12} - 2 \beta_{11} + 10 \beta_{10} + 12 \beta_{8} + \cdots - 4 \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( - 6 \beta_{15} + 19 \beta_{14} - \beta_{13} - 10 \beta_{12} - 2 \beta_{11} + 3 \beta_{10} + 30 \beta_{8} + \cdots + 40 ) / 4 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 17 \beta_{15} + 19 \beta_{14} - 8 \beta_{12} - 2 \beta_{11} + \beta_{10} + 18 \beta_{9} + 34 \beta_{8} + \cdots + 62 ) / 4 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 21 \beta_{15} + 8 \beta_{14} + 27 \beta_{13} - 24 \beta_{12} + 30 \beta_{11} - 24 \beta_{10} + 6 \beta_{9} + \cdots + 6 ) / 4 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 38 \beta_{15} + \beta_{14} + 7 \beta_{13} - 32 \beta_{11} + 7 \beta_{10} + 14 \beta_{9} - 66 \beta_{8} + \cdots + 2 ) / 4 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( 7 \beta_{15} + 7 \beta_{14} + 62 \beta_{13} + 18 \beta_{12} + 8 \beta_{11} - 69 \beta_{10} - 34 \beta_{9} + \cdots + 62 ) / 4 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 21 \beta_{15} - 20 \beta_{14} - 53 \beta_{13} - 32 \beta_{12} + 46 \beta_{11} - 52 \beta_{9} + \cdots - 132 ) / 4 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 23 \beta_{14} + 81 \beta_{13} + 78 \beta_{12} + 18 \beta_{11} - 65 \beta_{10} + 16 \beta_{9} + \cdots - 328 ) / 4 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( - 3 \beta_{15} - 123 \beta_{14} - 6 \beta_{13} + 108 \beta_{12} - 126 \beta_{11} + 3 \beta_{10} + \cdots + 190 ) / 4 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/832\mathbb{Z}\right)^\times\).

\(n\) \(261\) \(703\) \(769\)
\(\chi(n)\) \(1\) \(-1\) \(-\beta_{5}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
63.1
1.41121 + 0.0921725i
−0.00757716 + 1.41419i
−0.713659 1.22094i
1.17605 0.785427i
−0.873468 1.11223i
1.08916 + 0.902074i
−1.39427 + 0.236640i
1.31256 0.526485i
1.41121 0.0921725i
−0.00757716 1.41419i
−0.713659 + 1.22094i
1.17605 + 0.785427i
−0.873468 + 1.11223i
1.08916 0.902074i
−1.39427 0.236640i
1.31256 + 0.526485i
0 −1.81380 + 1.04720i 0 −0.894007 0.894007i 0 −4.37156 + 1.17136i 0 0.693255 1.20075i 0
63.2 0 −1.40004 + 0.808315i 0 1.52798 + 1.52798i 0 1.97429 0.529008i 0 −0.193255 + 0.334727i 0
63.3 0 1.40004 0.808315i 0 1.52798 + 1.52798i 0 −1.97429 + 0.529008i 0 −0.193255 + 0.334727i 0
63.4 0 1.81380 1.04720i 0 −0.894007 0.894007i 0 4.37156 1.17136i 0 0.693255 1.20075i 0
319.1 0 −2.16981 1.25274i 0 2.19962 + 2.19962i 0 −0.152604 + 0.569525i 0 1.63871 + 2.83834i 0
319.2 0 −0.736159 0.425021i 0 0.166404 + 0.166404i 0 −0.684384 + 2.55416i 0 −1.13871 1.97231i 0
319.3 0 0.736159 + 0.425021i 0 0.166404 + 0.166404i 0 0.684384 2.55416i 0 −1.13871 1.97231i 0
319.4 0 2.16981 + 1.25274i 0 2.19962 + 2.19962i 0 0.152604 0.569525i 0 1.63871 + 2.83834i 0
383.1 0 −1.81380 1.04720i 0 −0.894007 + 0.894007i 0 −4.37156 1.17136i 0 0.693255 + 1.20075i 0
383.2 0 −1.40004 0.808315i 0 1.52798 1.52798i 0 1.97429 + 0.529008i 0 −0.193255 0.334727i 0
383.3 0 1.40004 + 0.808315i 0 1.52798 1.52798i 0 −1.97429 0.529008i 0 −0.193255 0.334727i 0
383.4 0 1.81380 + 1.04720i 0 −0.894007 + 0.894007i 0 4.37156 + 1.17136i 0 0.693255 + 1.20075i 0
639.1 0 −2.16981 + 1.25274i 0 2.19962 2.19962i 0 −0.152604 0.569525i 0 1.63871 2.83834i 0
639.2 0 −0.736159 + 0.425021i 0 0.166404 0.166404i 0 −0.684384 2.55416i 0 −1.13871 + 1.97231i 0
639.3 0 0.736159 0.425021i 0 0.166404 0.166404i 0 0.684384 + 2.55416i 0 −1.13871 + 1.97231i 0
639.4 0 2.16981 1.25274i 0 2.19962 2.19962i 0 0.152604 + 0.569525i 0 1.63871 2.83834i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 63.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
13.f odd 12 1 inner
52.l even 12 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 832.2.bu.n 16
4.b odd 2 1 inner 832.2.bu.n 16
8.b even 2 1 52.2.l.b 16
8.d odd 2 1 52.2.l.b 16
13.f odd 12 1 inner 832.2.bu.n 16
24.f even 2 1 468.2.cb.f 16
24.h odd 2 1 468.2.cb.f 16
52.l even 12 1 inner 832.2.bu.n 16
104.e even 2 1 676.2.l.k 16
104.h odd 2 1 676.2.l.k 16
104.j odd 4 1 676.2.l.i 16
104.j odd 4 1 676.2.l.m 16
104.m even 4 1 676.2.l.i 16
104.m even 4 1 676.2.l.m 16
104.n odd 6 1 676.2.f.h 16
104.n odd 6 1 676.2.l.m 16
104.p odd 6 1 676.2.f.i 16
104.p odd 6 1 676.2.l.i 16
104.r even 6 1 676.2.f.h 16
104.r even 6 1 676.2.l.m 16
104.s even 6 1 676.2.f.i 16
104.s even 6 1 676.2.l.i 16
104.u even 12 1 52.2.l.b 16
104.u even 12 1 676.2.f.h 16
104.u even 12 1 676.2.f.i 16
104.u even 12 1 676.2.l.k 16
104.x odd 12 1 52.2.l.b 16
104.x odd 12 1 676.2.f.h 16
104.x odd 12 1 676.2.f.i 16
104.x odd 12 1 676.2.l.k 16
312.bo even 12 1 468.2.cb.f 16
312.bq odd 12 1 468.2.cb.f 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
52.2.l.b 16 8.b even 2 1
52.2.l.b 16 8.d odd 2 1
52.2.l.b 16 104.u even 12 1
52.2.l.b 16 104.x odd 12 1
468.2.cb.f 16 24.f even 2 1
468.2.cb.f 16 24.h odd 2 1
468.2.cb.f 16 312.bo even 12 1
468.2.cb.f 16 312.bq odd 12 1
676.2.f.h 16 104.n odd 6 1
676.2.f.h 16 104.r even 6 1
676.2.f.h 16 104.u even 12 1
676.2.f.h 16 104.x odd 12 1
676.2.f.i 16 104.p odd 6 1
676.2.f.i 16 104.s even 6 1
676.2.f.i 16 104.u even 12 1
676.2.f.i 16 104.x odd 12 1
676.2.l.i 16 104.j odd 4 1
676.2.l.i 16 104.m even 4 1
676.2.l.i 16 104.p odd 6 1
676.2.l.i 16 104.s even 6 1
676.2.l.k 16 104.e even 2 1
676.2.l.k 16 104.h odd 2 1
676.2.l.k 16 104.u even 12 1
676.2.l.k 16 104.x odd 12 1
676.2.l.m 16 104.j odd 4 1
676.2.l.m 16 104.m even 4 1
676.2.l.m 16 104.n odd 6 1
676.2.l.m 16 104.r even 6 1
832.2.bu.n 16 1.a even 1 1 trivial
832.2.bu.n 16 4.b odd 2 1 inner
832.2.bu.n 16 13.f odd 12 1 inner
832.2.bu.n 16 52.l even 12 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(832, [\chi])\):

\( T_{3}^{16} - 14T_{3}^{14} + 131T_{3}^{12} - 686T_{3}^{10} + 2605T_{3}^{8} - 5824T_{3}^{6} + 9164T_{3}^{4} - 5824T_{3}^{2} + 2704 \) Copy content Toggle raw display
\( T_{5}^{8} - 6T_{5}^{7} + 18T_{5}^{6} - 18T_{5}^{5} + 5T_{5}^{4} + 72T_{5}^{2} - 24T_{5} + 4 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( T^{16} - 14 T^{14} + \cdots + 2704 \) Copy content Toggle raw display
$5$ \( (T^{8} - 6 T^{7} + 18 T^{6} + \cdots + 4)^{2} \) Copy content Toggle raw display
$7$ \( T^{16} - 30 T^{14} + \cdots + 43264 \) Copy content Toggle raw display
$11$ \( T^{16} + 18 T^{14} + \cdots + 692224 \) Copy content Toggle raw display
$13$ \( (T^{8} - 6 T^{7} + \cdots + 28561)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} - 6 T^{7} + 2 T^{6} + \cdots + 1)^{2} \) Copy content Toggle raw display
$19$ \( T^{16} - 54 T^{14} + \cdots + 77228944 \) Copy content Toggle raw display
$23$ \( T^{16} + 106 T^{14} + \cdots + 77228944 \) Copy content Toggle raw display
$29$ \( (T^{8} - 4 T^{7} + \cdots + 51529)^{2} \) Copy content Toggle raw display
$31$ \( T^{16} + \cdots + 1235663104 \) Copy content Toggle raw display
$37$ \( (T^{4} - 4 T^{3} + 5 T^{2} + \cdots + 1)^{4} \) Copy content Toggle raw display
$41$ \( (T^{4} - 12 T^{3} + \cdots + 81)^{4} \) Copy content Toggle raw display
$43$ \( T^{16} + \cdots + 5671027857664 \) Copy content Toggle raw display
$47$ \( T^{16} + \cdots + 5671027857664 \) Copy content Toggle raw display
$53$ \( (T^{4} - 8 T^{3} + \cdots - 128)^{4} \) Copy content Toggle raw display
$59$ \( T^{16} + \cdots + 171720267307264 \) Copy content Toggle raw display
$61$ \( (T^{8} + 2 T^{7} + \cdots + 6889)^{2} \) Copy content Toggle raw display
$67$ \( T^{16} + \cdots + 2205735869584 \) Copy content Toggle raw display
$71$ \( T^{16} + \cdots + 5067731344 \) Copy content Toggle raw display
$73$ \( (T^{8} - 10 T^{7} + \cdots + 676)^{2} \) Copy content Toggle raw display
$79$ \( (T^{8} + 160 T^{6} + \cdots + 53248)^{2} \) Copy content Toggle raw display
$83$ \( T^{16} + \cdots + 538409280507904 \) Copy content Toggle raw display
$89$ \( (T^{8} + 26 T^{7} + \cdots + 2896804)^{2} \) Copy content Toggle raw display
$97$ \( (T^{8} + 14 T^{7} + \cdots + 2116)^{2} \) Copy content Toggle raw display
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