Properties

Label 2646.2.f.m
Level $2646$
Weight $2$
Character orbit 2646.f
Analytic conductor $21.128$
Analytic rank $0$
Dimension $6$
CM no
Inner twists $2$

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Newspace parameters

Level: \( N \) \(=\) \( 2646 = 2 \cdot 3^{3} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2646.f (of order \(3\), degree \(2\), not minimal)

Newform invariants

Self dual: no
Analytic conductor: \(21.1284163748\)
Analytic rank: \(0\)
Dimension: \(6\)
Relative dimension: \(3\) over \(\Q(\zeta_{3})\)
Coefficient field: 6.0.309123.1
Defining polynomial: \(x^{6} - 3 x^{5} + 10 x^{4} - 15 x^{3} + 19 x^{2} - 12 x + 3\)
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 3 \)
Twist minimal: no (minimal twist has level 126)
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-expansion

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.

\(f(q)\) \(=\) \( q -\beta_{4} q^{2} + ( -1 + \beta_{4} ) q^{4} + \beta_{2} q^{5} + q^{8} +O(q^{10})\) \( q -\beta_{4} q^{2} + ( -1 + \beta_{4} ) q^{4} + \beta_{2} q^{5} + q^{8} + \beta_{3} q^{10} + ( -\beta_{2} - \beta_{3} ) q^{11} + ( -3 - \beta_{2} + 3 \beta_{4} - 2 \beta_{5} ) q^{13} -\beta_{4} q^{16} + ( 2 + 2 \beta_{1} ) q^{17} + ( -2 - 3 \beta_{1} ) q^{19} + ( -\beta_{2} - \beta_{3} ) q^{20} + \beta_{2} q^{22} + ( 2 - 2 \beta_{4} - \beta_{5} ) q^{23} + ( -\beta_{1} + 2 \beta_{2} + 2 \beta_{3} + \beta_{4} + \beta_{5} ) q^{25} + ( 3 + 2 \beta_{1} - \beta_{3} ) q^{26} + ( -3 \beta_{1} - 2 \beta_{2} - 2 \beta_{3} + 3 \beta_{5} ) q^{29} + ( -6 - \beta_{2} + 6 \beta_{4} + \beta_{5} ) q^{31} + ( -1 + \beta_{4} ) q^{32} + ( -2 \beta_{1} - 2 \beta_{4} + 2 \beta_{5} ) q^{34} - q^{37} + ( 3 \beta_{1} + 2 \beta_{4} - 3 \beta_{5} ) q^{38} + \beta_{2} q^{40} + ( 1 - 2 \beta_{2} - \beta_{4} + \beta_{5} ) q^{41} + ( 3 \beta_{1} - 3 \beta_{2} - 3 \beta_{3} - 2 \beta_{4} - 3 \beta_{5} ) q^{43} + \beta_{3} q^{44} + ( -2 + \beta_{1} ) q^{46} + ( 3 \beta_{1} - 3 \beta_{2} - 3 \beta_{3} - 3 \beta_{4} - 3 \beta_{5} ) q^{47} + ( 1 - 2 \beta_{2} - \beta_{4} - \beta_{5} ) q^{50} + ( -2 \beta_{1} + \beta_{2} + \beta_{3} - 3 \beta_{4} + 2 \beta_{5} ) q^{52} + ( 5 - \beta_{1} + \beta_{3} ) q^{53} + ( 4 + \beta_{1} - 2 \beta_{3} ) q^{55} + ( 2 \beta_{2} - 3 \beta_{5} ) q^{58} + ( -5 + 2 \beta_{2} + 5 \beta_{4} + \beta_{5} ) q^{59} + ( \beta_{1} - 2 \beta_{2} - 2 \beta_{3} - 3 \beta_{4} - \beta_{5} ) q^{61} + ( 6 - \beta_{1} - \beta_{3} ) q^{62} + q^{64} + ( -\beta_{1} - 5 \beta_{2} - 5 \beta_{3} + 2 \beta_{4} + \beta_{5} ) q^{65} + ( 2 - 4 \beta_{2} - 2 \beta_{4} + \beta_{5} ) q^{67} + ( -2 + 2 \beta_{4} - 2 \beta_{5} ) q^{68} + ( -4 - 7 \beta_{1} + 2 \beta_{3} ) q^{71} + ( 8 + \beta_{1} + 4 \beta_{3} ) q^{73} + \beta_{4} q^{74} + ( 2 - 2 \beta_{4} + 3 \beta_{5} ) q^{76} + ( -4 \beta_{1} - \beta_{2} - \beta_{3} + 4 \beta_{5} ) q^{79} + \beta_{3} q^{80} + ( -1 - \beta_{1} - 2 \beta_{3} ) q^{82} + ( -2 \beta_{1} + 3 \beta_{2} + 3 \beta_{3} + \beta_{4} + 2 \beta_{5} ) q^{83} + ( -2 + 2 \beta_{2} + 2 \beta_{4} - 2 \beta_{5} ) q^{85} + ( -2 + 3 \beta_{2} + 2 \beta_{4} + 3 \beta_{5} ) q^{86} + ( -\beta_{2} - \beta_{3} ) q^{88} + ( 2 - 4 \beta_{1} + \beta_{3} ) q^{89} + ( -\beta_{1} + 2 \beta_{4} + \beta_{5} ) q^{92} + ( -3 + 3 \beta_{2} + 3 \beta_{4} + 3 \beta_{5} ) q^{94} + ( 3 - 2 \beta_{2} - 3 \beta_{4} + 3 \beta_{5} ) q^{95} + ( 2 \beta_{1} + 2 \beta_{2} + 2 \beta_{3} - 8 \beta_{4} - 2 \beta_{5} ) q^{97} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6q - 3q^{2} - 3q^{4} + q^{5} + 6q^{8} + O(q^{10}) \) \( 6q - 3q^{2} - 3q^{4} + q^{5} + 6q^{8} - 2q^{10} + q^{11} - 8q^{13} - 3q^{16} + 8q^{17} - 6q^{19} + q^{20} + q^{22} + 7q^{23} + 2q^{25} + 16q^{26} + 5q^{29} - 20q^{31} - 3q^{32} - 4q^{34} - 6q^{37} + 3q^{38} + q^{40} - 6q^{43} - 2q^{44} - 14q^{46} - 9q^{47} + 2q^{50} - 8q^{52} + 30q^{53} + 26q^{55} + 5q^{58} - 14q^{59} - 8q^{61} + 40q^{62} + 6q^{64} + 12q^{65} + q^{67} - 4q^{68} - 14q^{71} + 38q^{73} + 3q^{74} + 3q^{76} + 5q^{79} - 2q^{80} + 2q^{83} - 2q^{85} - 6q^{86} + q^{88} + 18q^{89} + 7q^{92} - 9q^{94} + 4q^{95} - 28q^{97} + O(q^{100}) \)

Basis of coefficient ring in terms of a root \(\nu\) of \(x^{6} - 3 x^{5} + 10 x^{4} - 15 x^{3} + 19 x^{2} - 12 x + 3\):

\(\beta_{0}\)\(=\)\( 1 \)
\(\beta_{1}\)\(=\)\( \nu^{2} - \nu + 2 \)
\(\beta_{2}\)\(=\)\((\)\( -\nu^{5} + \nu^{4} - 8 \nu^{3} + 5 \nu^{2} - 18 \nu + 6 \)\()/3\)
\(\beta_{3}\)\(=\)\( \nu^{4} - 2 \nu^{3} + 6 \nu^{2} - 5 \nu + 3 \)
\(\beta_{4}\)\(=\)\((\)\( -2 \nu^{5} + 5 \nu^{4} - 16 \nu^{3} + 19 \nu^{2} - 21 \nu + 9 \)\()/3\)
\(\beta_{5}\)\(=\)\((\)\( 2 \nu^{5} - 5 \nu^{4} + 19 \nu^{3} - 22 \nu^{2} + 30 \nu - 9 \)\()/3\)
\(1\)\(=\)\(\beta_0\)
\(\nu\)\(=\)\((\)\(-2 \beta_{5} - \beta_{4} - \beta_{3} - 2 \beta_{2} + \beta_{1} + 2\)\()/3\)
\(\nu^{2}\)\(=\)\((\)\(-2 \beta_{5} - \beta_{4} - \beta_{3} - 2 \beta_{2} + 4 \beta_{1} - 4\)\()/3\)
\(\nu^{3}\)\(=\)\((\)\(7 \beta_{5} + 5 \beta_{4} + 2 \beta_{3} + 4 \beta_{2} + \beta_{1} - 10\)\()/3\)
\(\nu^{4}\)\(=\)\((\)\(16 \beta_{5} + 11 \beta_{4} + 8 \beta_{3} + 10 \beta_{2} - 17 \beta_{1} + 5\)\()/3\)
\(\nu^{5}\)\(=\)\((\)\(-14 \beta_{5} - 16 \beta_{4} + 5 \beta_{3} - 5 \beta_{2} - 23 \beta_{1} + 47\)\()/3\)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2646\mathbb{Z}\right)^\times\).

\(n\) \(785\) \(1081\)
\(\chi(n)\) \(-1 + \beta_{4}\) \(1\)

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.

Label \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
883.1
0.500000 + 0.224437i
0.500000 + 2.05195i
0.500000 1.41036i
0.500000 0.224437i
0.500000 2.05195i
0.500000 + 1.41036i
−0.500000 + 0.866025i 0 −0.500000 0.866025i −0.794182 1.37556i 0 0 1.00000 0 1.58836
883.2 −0.500000 + 0.866025i 0 −0.500000 0.866025i −0.296790 0.514055i 0 0 1.00000 0 0.593579
883.3 −0.500000 + 0.866025i 0 −0.500000 0.866025i 1.59097 + 2.75564i 0 0 1.00000 0 −3.18194
1765.1 −0.500000 0.866025i 0 −0.500000 + 0.866025i −0.794182 + 1.37556i 0 0 1.00000 0 1.58836
1765.2 −0.500000 0.866025i 0 −0.500000 + 0.866025i −0.296790 + 0.514055i 0 0 1.00000 0 0.593579
1765.3 −0.500000 0.866025i 0 −0.500000 + 0.866025i 1.59097 2.75564i 0 0 1.00000 0 −3.18194
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1765.3
Significant digits:
Format:

Inner twists

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

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2646.2.f.m 6
3.b odd 2 1 882.2.f.o 6
7.b odd 2 1 2646.2.f.l 6
7.c even 3 1 2646.2.e.p 6
7.c even 3 1 2646.2.h.o 6
7.d odd 6 1 378.2.e.d 6
7.d odd 6 1 378.2.h.c 6
9.c even 3 1 inner 2646.2.f.m 6
9.c even 3 1 7938.2.a.bz 3
9.d odd 6 1 882.2.f.o 6
9.d odd 6 1 7938.2.a.bw 3
21.c even 2 1 882.2.f.n 6
21.g even 6 1 126.2.e.c 6
21.g even 6 1 126.2.h.d yes 6
21.h odd 6 1 882.2.e.o 6
21.h odd 6 1 882.2.h.p 6
28.f even 6 1 3024.2.q.g 6
28.f even 6 1 3024.2.t.h 6
63.g even 3 1 2646.2.e.p 6
63.h even 3 1 2646.2.h.o 6
63.i even 6 1 126.2.h.d yes 6
63.i even 6 1 1134.2.g.m 6
63.j odd 6 1 882.2.h.p 6
63.k odd 6 1 378.2.e.d 6
63.k odd 6 1 1134.2.g.l 6
63.l odd 6 1 2646.2.f.l 6
63.l odd 6 1 7938.2.a.ca 3
63.n odd 6 1 882.2.e.o 6
63.o even 6 1 882.2.f.n 6
63.o even 6 1 7938.2.a.bv 3
63.s even 6 1 126.2.e.c 6
63.s even 6 1 1134.2.g.m 6
63.t odd 6 1 378.2.h.c 6
63.t odd 6 1 1134.2.g.l 6
84.j odd 6 1 1008.2.q.g 6
84.j odd 6 1 1008.2.t.h 6
252.n even 6 1 3024.2.q.g 6
252.r odd 6 1 1008.2.t.h 6
252.bj even 6 1 3024.2.t.h 6
252.bn odd 6 1 1008.2.q.g 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
126.2.e.c 6 21.g even 6 1
126.2.e.c 6 63.s even 6 1
126.2.h.d yes 6 21.g even 6 1
126.2.h.d yes 6 63.i even 6 1
378.2.e.d 6 7.d odd 6 1
378.2.e.d 6 63.k odd 6 1
378.2.h.c 6 7.d odd 6 1
378.2.h.c 6 63.t odd 6 1
882.2.e.o 6 21.h odd 6 1
882.2.e.o 6 63.n odd 6 1
882.2.f.n 6 21.c even 2 1
882.2.f.n 6 63.o even 6 1
882.2.f.o 6 3.b odd 2 1
882.2.f.o 6 9.d odd 6 1
882.2.h.p 6 21.h odd 6 1
882.2.h.p 6 63.j odd 6 1
1008.2.q.g 6 84.j odd 6 1
1008.2.q.g 6 252.bn odd 6 1
1008.2.t.h 6 84.j odd 6 1
1008.2.t.h 6 252.r odd 6 1
1134.2.g.l 6 63.k odd 6 1
1134.2.g.l 6 63.t odd 6 1
1134.2.g.m 6 63.i even 6 1
1134.2.g.m 6 63.s even 6 1
2646.2.e.p 6 7.c even 3 1
2646.2.e.p 6 63.g even 3 1
2646.2.f.l 6 7.b odd 2 1
2646.2.f.l 6 63.l odd 6 1
2646.2.f.m 6 1.a even 1 1 trivial
2646.2.f.m 6 9.c even 3 1 inner
2646.2.h.o 6 7.c even 3 1
2646.2.h.o 6 63.h even 3 1
3024.2.q.g 6 28.f even 6 1
3024.2.q.g 6 252.n even 6 1
3024.2.t.h 6 28.f even 6 1
3024.2.t.h 6 252.bj even 6 1
7938.2.a.bv 3 63.o even 6 1
7938.2.a.bw 3 9.d odd 6 1
7938.2.a.bz 3 9.c even 3 1
7938.2.a.ca 3 63.l odd 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2646, [\chi])\):

\( T_{5}^{6} - T_{5}^{5} + 7 T_{5}^{4} + 12 T_{5}^{3} + 33 T_{5}^{2} + 18 T_{5} + 9 \)
\( T_{11}^{6} - T_{11}^{5} + 7 T_{11}^{4} + 12 T_{11}^{3} + 33 T_{11}^{2} + 18 T_{11} + 9 \)
\( T_{13}^{6} + 8 T_{13}^{5} + 63 T_{13}^{4} + 146 T_{13}^{3} + 553 T_{13}^{2} - 69 T_{13} + 4761 \)

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( ( 1 + T + T^{2} )^{3} \)
$3$ 1
$5$ \( 1 - T - 8 T^{2} + 17 T^{3} + 23 T^{4} - 52 T^{5} - 11 T^{6} - 260 T^{7} + 575 T^{8} + 2125 T^{9} - 5000 T^{10} - 3125 T^{11} + 15625 T^{12} \)
$7$ 1
$11$ \( 1 - T - 26 T^{2} + 23 T^{3} + 407 T^{4} - 202 T^{5} - 4853 T^{6} - 2222 T^{7} + 49247 T^{8} + 30613 T^{9} - 380666 T^{10} - 161051 T^{11} + 1771561 T^{12} \)
$13$ \( 1 + 8 T + 24 T^{2} + 42 T^{3} - 32 T^{4} - 1408 T^{5} - 7901 T^{6} - 18304 T^{7} - 5408 T^{8} + 92274 T^{9} + 685464 T^{10} + 2970344 T^{11} + 4826809 T^{12} \)
$17$ \( ( 1 - 4 T + 39 T^{2} - 112 T^{3} + 663 T^{4} - 1156 T^{5} + 4913 T^{6} )^{2} \)
$19$ \( ( 1 + 3 T + 21 T^{2} + 65 T^{3} + 399 T^{4} + 1083 T^{5} + 6859 T^{6} )^{2} \)
$23$ \( 1 - 7 T - 32 T^{2} + 83 T^{3} + 2423 T^{4} - 3946 T^{5} - 46865 T^{6} - 90758 T^{7} + 1281767 T^{8} + 1009861 T^{9} - 8954912 T^{10} - 45054401 T^{11} + 148035889 T^{12} \)
$29$ \( 1 - 5 T + 4 T^{2} - 251 T^{3} + 197 T^{4} + 3418 T^{5} + 20293 T^{6} + 99122 T^{7} + 165677 T^{8} - 6121639 T^{9} + 2829124 T^{10} - 102555745 T^{11} + 594823321 T^{12} \)
$31$ \( 1 + 20 T + 186 T^{2} + 1398 T^{3} + 10342 T^{4} + 62234 T^{5} + 331987 T^{6} + 1929254 T^{7} + 9938662 T^{8} + 41647818 T^{9} + 171774906 T^{10} + 572583020 T^{11} + 887503681 T^{12} \)
$37$ \( ( 1 + T + 37 T^{2} )^{6} \)
$41$ \( 1 - 90 T^{2} + 18 T^{3} + 4410 T^{4} - 810 T^{5} - 194177 T^{6} - 33210 T^{7} + 7413210 T^{8} + 1240578 T^{9} - 254318490 T^{10} + 4750104241 T^{12} \)
$43$ \( ( 1 - 12 T - 6 T^{2} + 547 T^{3} - 258 T^{4} - 22188 T^{5} + 79507 T^{6} )( 1 + 18 T + 198 T^{2} + 1519 T^{3} + 8514 T^{4} + 33282 T^{5} + 79507 T^{6} ) \)
$47$ \( 1 + 9 T - 6 T^{2} - 531 T^{3} - 2433 T^{4} + 3438 T^{5} + 104623 T^{6} + 161586 T^{7} - 5374497 T^{8} - 55130013 T^{9} - 29278086 T^{10} + 2064105063 T^{11} + 10779215329 T^{12} \)
$53$ \( ( 1 - 15 T + 225 T^{2} - 1671 T^{3} + 11925 T^{4} - 42135 T^{5} + 148877 T^{6} )^{2} \)
$59$ \( 1 + 14 T - 20 T^{2} - 154 T^{3} + 11666 T^{4} + 35126 T^{5} - 499301 T^{6} + 2072434 T^{7} + 40609346 T^{8} - 31628366 T^{9} - 242347220 T^{10} + 10008940186 T^{11} + 42180533641 T^{12} \)
$61$ \( 1 + 8 T - 114 T^{2} - 342 T^{3} + 13762 T^{4} + 13214 T^{5} - 937217 T^{6} + 806054 T^{7} + 51208402 T^{8} - 77627502 T^{9} - 1578425874 T^{10} + 6756770408 T^{11} + 51520374361 T^{12} \)
$67$ \( 1 - T - 88 T^{2} - 243 T^{3} + 2035 T^{4} + 14290 T^{5} + 72259 T^{6} + 957430 T^{7} + 9135115 T^{8} - 73085409 T^{9} - 1773298648 T^{10} - 1350125107 T^{11} + 90458382169 T^{12} \)
$71$ \( ( 1 + 7 T + 15 T^{2} - 599 T^{3} + 1065 T^{4} + 35287 T^{5} + 357911 T^{6} )^{2} \)
$73$ \( ( 1 - 19 T + 227 T^{2} - 2143 T^{3} + 16571 T^{4} - 101251 T^{5} + 389017 T^{6} )^{2} \)
$79$ \( 1 - 5 T - 138 T^{2} + 123 T^{3} + 11347 T^{4} + 21118 T^{5} - 1048937 T^{6} + 1668322 T^{7} + 70816627 T^{8} + 60643797 T^{9} - 5375111178 T^{10} - 15385281995 T^{11} + 243087455521 T^{12} \)
$83$ \( 1 - 2 T - 182 T^{2} - 2 T^{3} + 18788 T^{4} + 13564 T^{5} - 1721225 T^{6} + 1125812 T^{7} + 129430532 T^{8} - 1143574 T^{9} - 8637414422 T^{10} - 7878081286 T^{11} + 326940373369 T^{12} \)
$89$ \( ( 1 - 9 T + 225 T^{2} - 1611 T^{3} + 20025 T^{4} - 71289 T^{5} + 704969 T^{6} )^{2} \)
$97$ \( 1 + 28 T + 281 T^{2} + 2724 T^{3} + 45178 T^{4} + 388196 T^{5} + 2169217 T^{6} + 37655012 T^{7} + 425079802 T^{8} + 2486121252 T^{9} + 24876727961 T^{10} + 240445527196 T^{11} + 832972004929 T^{12} \)
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