Properties

Label 1764.3.bk.g
Level $1764$
Weight $3$
Character orbit 1764.bk
Analytic conductor $48.066$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $8$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1764,3,Mod(557,1764)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1764, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 3, 4]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1764.557");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1764 = 2^{2} \cdot 3^{2} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1764.bk (of order \(6\), degree \(2\), 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: \(48.0655186332\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(8\) over \(\Q(\zeta_{6})\)
Coefficient field: 16.0.329365073333488765586374656.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 199x^{12} + 24960x^{8} - 2913559x^{4} + 214358881 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{25}]\)
Coefficient ring index: \( 2^{16}\cdot 3^{8} \)
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 \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (\beta_{7} - \beta_{6} + \cdots - \beta_{3}) q^{5}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_{7} - \beta_{6} + \cdots - \beta_{3}) q^{5}+ \cdots + (3 \beta_{14} + 50 \beta_{9}) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 216 q^{25} - 128 q^{37} - 160 q^{43} + 384 q^{67} + 560 q^{79} - 1120 q^{85}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 199x^{12} + 24960x^{8} - 2913559x^{4} + 214358881 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -199\nu^{12} + 24960\nu^{8} - 4967040\nu^{4} + 579798241 ) / 365439360 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 15269 \nu^{15} + 2143031 \nu^{13} + 16448640 \nu^{11} - 268794240 \nu^{9} + \cdots - 2308430789489 \nu ) / 10214395551360 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -363\nu^{14} - 10319\nu^{12} + 4967040\nu^{8} - 257562240\nu^{4} - 1841731683\nu^{2} + 30065015321 ) / 7674226560 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{14} + 5073641\nu^{2} ) / 10570560 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 881\nu^{14} - 1946880\nu^{10} + 21989760\nu^{6} - 2566845479\nu^{2} ) / 7369693760 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 95520 \nu^{14} - 1771561 \nu^{12} + 11980800 \nu^{10} - 1836020160 \nu^{6} + \cdots + 761840320879 ) / 464290706880 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -49039\nu^{14} + 7987200\nu^{10} - 1224013440\nu^{6} + 142878019801\nu^{2} ) / 154763568960 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 15269 \nu^{15} - 2143031 \nu^{13} + 16448640 \nu^{11} + 268794240 \nu^{9} + \cdots + 2308430789489 \nu ) / 3404798517120 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 121\nu^{15} + 307\nu^{13} - 222144\nu^{9} + 7662720\nu^{5} - 153512095\nu^{3} - 894462613\nu ) / 8441649216 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( \nu^{14} - 966679\nu^{2} ) / 503360 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( -121\nu^{15} - 2969\nu^{13} + 429780\nu^{9} - 74106240\nu^{5} - 374090981\nu^{3} + 8650356671\nu ) / 2638015380 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( -121\nu^{15} + 307\nu^{13} - 222144\nu^{9} + 7662720\nu^{5} + 153512095\nu^{3} - 894462613\nu ) / 2813883072 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 1063589 \nu^{15} - 13267529 \nu^{13} - 192167040 \nu^{11} + 1664108160 \nu^{9} + \cdots + 14291520955151 \nu ) / 10214395551360 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( -121\nu^{15} + 2969\nu^{13} - 429780\nu^{9} + 74106240\nu^{5} - 374090981\nu^{3} - 8650356671\nu ) / 879338460 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 1063589 \nu^{15} + 13267529 \nu^{13} - 192167040 \nu^{11} - 1664108160 \nu^{9} + \cdots - 14291520955151 \nu ) / 3404798517120 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{15} - \beta_{14} - 3\beta_{13} + \beta_{12} + 3\beta_{11} + 3\beta_{9} + \beta_{8} - 3\beta_{2} ) / 12 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -\beta_{10} + 21\beta_{4} ) / 12 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -5\beta_{14} + 16\beta_{12} - 15\beta_{11} - 48\beta_{9} ) / 6 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -21\beta_{7} + 42\beta_{6} + 42\beta_{4} + 42\beta_{3} - 398\beta _1 + 398 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 89\beta_{15} - 267\beta_{13} + 551\beta_{8} - 1653\beta_{2} ) / 12 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( -160\beta_{10} - 819\beta_{7} - 160\beta_{5} + 819\beta_{4} ) / 6 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 659 \beta_{15} - 659 \beta_{14} + 1977 \beta_{13} + 7699 \beta_{12} - 1977 \beta_{11} + \cdots + 23097 \beta_{2} ) / 12 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 4179\beta_{4} + 8358\beta_{3} - 20638\beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 1535\beta_{14} - 47504\beta_{12} - 4605\beta_{11} - 142512\beta_{9} ) / 6 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( -18501\beta_{7} - 49039\beta_{5} ) / 12 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( -15269\beta_{15} - 45807\beta_{13} + 1063589\beta_{8} + 3190767\beta_{2} ) / 12 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( 131040\beta_{7} - 262080\beta_{6} - 131040\beta_{4} + 430039 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 692119 \beta_{15} - 692119 \beta_{14} - 2076357 \beta_{13} - 10839401 \beta_{12} + \cdots + 32518203 \beta_{2} ) / 12 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 5073641\beta_{10} + 20300259\beta_{4} ) / 12 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( -6343475\beta_{14} - 49466576\beta_{12} - 19030425\beta_{11} + 148399728\beta_{9} ) / 6 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1764\mathbb{Z}\right)^\times\).

\(n\) \(785\) \(883\) \(1081\)
\(\chi(n)\) \(-1\) \(1\) \(-1 + \beta_{1}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
557.1
−0.365632 + 3.29641i
0.365632 3.29641i
−3.29641 0.365632i
3.29641 + 0.365632i
−1.33156 + 3.03759i
1.33156 3.03759i
−3.03759 1.33156i
3.03759 + 1.33156i
−0.365632 3.29641i
0.365632 + 3.29641i
−3.29641 + 0.365632i
3.29641 0.365632i
−1.33156 3.03759i
1.33156 + 3.03759i
−3.03759 + 1.33156i
3.03759 1.33156i
0 0 0 −8.27698 + 4.77872i 0 0 0 0 0
557.2 0 0 0 −8.27698 + 4.77872i 0 0 0 0 0
557.3 0 0 0 −3.08083 + 1.77872i 0 0 0 0 0
557.4 0 0 0 −3.08083 + 1.77872i 0 0 0 0 0
557.5 0 0 0 3.08083 1.77872i 0 0 0 0 0
557.6 0 0 0 3.08083 1.77872i 0 0 0 0 0
557.7 0 0 0 8.27698 4.77872i 0 0 0 0 0
557.8 0 0 0 8.27698 4.77872i 0 0 0 0 0
1745.1 0 0 0 −8.27698 4.77872i 0 0 0 0 0
1745.2 0 0 0 −8.27698 4.77872i 0 0 0 0 0
1745.3 0 0 0 −3.08083 1.77872i 0 0 0 0 0
1745.4 0 0 0 −3.08083 1.77872i 0 0 0 0 0
1745.5 0 0 0 3.08083 + 1.77872i 0 0 0 0 0
1745.6 0 0 0 3.08083 + 1.77872i 0 0 0 0 0
1745.7 0 0 0 8.27698 + 4.77872i 0 0 0 0 0
1745.8 0 0 0 8.27698 + 4.77872i 0 0 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 557.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
7.b odd 2 1 inner
7.c even 3 1 inner
7.d odd 6 1 inner
21.c even 2 1 inner
21.g even 6 1 inner
21.h odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1764.3.bk.g 16
3.b odd 2 1 inner 1764.3.bk.g 16
7.b odd 2 1 inner 1764.3.bk.g 16
7.c even 3 1 1764.3.c.h 8
7.c even 3 1 inner 1764.3.bk.g 16
7.d odd 6 1 1764.3.c.h 8
7.d odd 6 1 inner 1764.3.bk.g 16
21.c even 2 1 inner 1764.3.bk.g 16
21.g even 6 1 1764.3.c.h 8
21.g even 6 1 inner 1764.3.bk.g 16
21.h odd 6 1 1764.3.c.h 8
21.h odd 6 1 inner 1764.3.bk.g 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1764.3.c.h 8 7.c even 3 1
1764.3.c.h 8 7.d odd 6 1
1764.3.c.h 8 21.g even 6 1
1764.3.c.h 8 21.h odd 6 1
1764.3.bk.g 16 1.a even 1 1 trivial
1764.3.bk.g 16 3.b odd 2 1 inner
1764.3.bk.g 16 7.b odd 2 1 inner
1764.3.bk.g 16 7.c even 3 1 inner
1764.3.bk.g 16 7.d odd 6 1 inner
1764.3.bk.g 16 21.c even 2 1 inner
1764.3.bk.g 16 21.g even 6 1 inner
1764.3.bk.g 16 21.h odd 6 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(1764, [\chi])\):

\( T_{5}^{8} - 104T_{5}^{6} + 9660T_{5}^{4} - 120224T_{5}^{2} + 1336336 \) Copy content Toggle raw display
\( T_{13}^{2} - 18 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( T^{16} \) Copy content Toggle raw display
$5$ \( (T^{8} - 104 T^{6} + \cdots + 1336336)^{2} \) Copy content Toggle raw display
$7$ \( T^{16} \) Copy content Toggle raw display
$11$ \( (T^{4} - 86 T^{2} + 7396)^{4} \) Copy content Toggle raw display
$13$ \( (T^{2} - 18)^{8} \) Copy content Toggle raw display
$17$ \( (T^{8} - 248 T^{6} + \cdots + 2085136)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} + 1648 T^{6} + \cdots + 274760478976)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} - 316 T^{6} + \cdots + 38416)^{2} \) Copy content Toggle raw display
$29$ \( (T^{4} + 748 T^{2} + 40804)^{4} \) Copy content Toggle raw display
$31$ \( (T^{8} + 1584 T^{6} + \cdots + 326653399296)^{2} \) Copy content Toggle raw display
$37$ \( (T^{4} + 32 T^{3} + \cdots + 1669264)^{4} \) Copy content Toggle raw display
$41$ \( (T^{4} + 4136 T^{2} + 3928324)^{4} \) Copy content Toggle raw display
$43$ \( (T^{2} + 20 T - 1448)^{8} \) Copy content Toggle raw display
$47$ \( (T^{8} + \cdots + 1340445266176)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} - 5668 T^{6} + \cdots + 45212176)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} + \cdots + 1340445266176)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} + 2332 T^{6} + \cdots + 21293813776)^{2} \) Copy content Toggle raw display
$67$ \( (T^{4} - 96 T^{3} + \cdots + 571536)^{4} \) Copy content Toggle raw display
$71$ \( (T^{4} + 10764 T^{2} + 14699556)^{4} \) Copy content Toggle raw display
$73$ \( (T^{8} + \cdots + 92114002540816)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} - 140 T^{3} + \cdots + 1669264)^{4} \) Copy content Toggle raw display
$83$ \( (T^{4} + 21152 T^{2} + 104693824)^{4} \) Copy content Toggle raw display
$89$ \( (T^{8} + \cdots + 26\!\cdots\!16)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} - 23932 T^{2} + 3865156)^{4} \) Copy content Toggle raw display
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