Space of modular forms of level 2646, weight 2, and Character 2646.e

• Label: 2646.2.e
• Level: $2646$
• Weight: $2$
• Character orbit: 2646.e
• Rep. character: $\chi_{2646}(1549,\cdot)$
• Character field: $\Q(\zeta_{3})$
• Dimension: $80$
• Newform subspaces: $20$
• Sturm bound: $1008$
• Trace bound: $13$

Defining parameters

Level:	\( N \)	\(=\)	\( 2646 = 2 \cdot 3^{3} \cdot 7^{2} \)
Weight:	\( k \)	\(=\)	\( 2 \)
Character orbit:	\([\chi]\)	\(=\)	2646.e (of order \(3\) and degree \(2\))
Character conductor:	\(\operatorname{cond}(\chi)\)	\(=\)	\( 63 \)
Character field:			\(\Q(\zeta_{3})\)
Newform subspaces:			\( 20 \)
Sturm bound:			\(1008\)
Trace bound:			\(13\)
Distinguishing \(T_p\):			\(5\), \(11\), \(13\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(2646, [\chi])\).

	Total	New	Old
Modular forms	1104	80	1024
Cusp forms	912	80	832
Eisenstein series	192	0	192

Trace form

80 * q + 80 * q^4 - 4 * q^5 + 8 * q^11 - 2 * q^13 + 80 * q^16 - 14 * q^17 + 4 * q^19 - 4 * q^20 + 2 * q^23 - 40 * q^25 - 16 * q^26 - 18 * q^29 + 4 * q^31 - 2 * q^37 - 12 * q^38 - 6 * q^41 - 2 * q^43 + 8 * q^44 + 6 * q^46 + 12 * q^47 - 2 * q^52 + 32 * q^53 + 12 * q^55 - 6 * q^58 + 44 * q^59 + 16 * q^61 + 44 * q^62 + 80 * q^64 - 4 * q^65 + 28 * q^67 - 14 * q^68 + 76 * q^71 + 28 * q^73 - 6 * q^74 + 4 * q^76 + 64 * q^79 - 4 * q^80 + 16 * q^83 - 24 * q^85 + 20 * q^86 - 36 * q^89 + 2 * q^92 + 24 * q^94 - 84 * q^95 - 2 * q^97

Decomposition of \(S_{2}^{\mathrm{new}}(2646, [\chi])\) into newform subspaces

Label	Level	Weight	Char	Prim	Char order	Dim	Rel. Dim	$A$	Field	CM	Self-dual	Twist minimal	Largest	Maximal	Minimal twist	Inner twists	Rank*	Traces				Coefficient ring index	Sato-Tate	$q$-expansion
																		$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
2646.2.e.a	$2646$	$2$	2646.e	63.h	$3$	$2$	$1$	$21.128$	\(\Q(\sqrt{-3}) \)	None					882.2.f.b	$2$	$0$	\(-2\)	\(0\)	\(-1\)	\(0\)	$1$	$\mathrm{SU}(2)[C_{3}]$	\(q-q^{2}+q^{4}+(-1+\zeta_{6})q^{5}-q^{8}+(1+\cdots)q^{10}+\cdots\)
2646.2.e.b	$2646$	$2$	2646.e	63.h	$3$	$2$	$1$	$21.128$	\(\Q(\sqrt{-3}) \)	None					18.2.c.a	$2$	$0$	\(-2\)	\(0\)	\(0\)	\(0\)	$1$	$\mathrm{SU}(2)[C_{3}]$	\(q-q^{2}+q^{4}-q^{8}-3\zeta_{6}q^{11}-2\zeta_{6}q^{13}+\cdots\)
2646.2.e.c	$2646$	$2$	2646.e	63.h	$3$	$2$	$1$	$21.128$	\(\Q(\sqrt{-3}) \)	None					18.2.c.a	$2$	$0$	\(-2\)	\(0\)	\(0\)	\(0\)	$1$	$\mathrm{SU}(2)[C_{3}]$	\(q-q^{2}+q^{4}-q^{8}-3\zeta_{6}q^{11}+2\zeta_{6}q^{13}+\cdots\)
2646.2.e.d	$2646$	$2$	2646.e	63.h	$3$	$2$	$1$	$21.128$	\(\Q(\sqrt{-3}) \)	None					882.2.f.b	$2$	$0$	\(-2\)	\(0\)	\(1\)	\(0\)	$1$	$\mathrm{SU}(2)[C_{3}]$	\(q-q^{2}+q^{4}+(1-\zeta_{6})q^{5}-q^{8}+(-1+\cdots)q^{10}+\cdots\)
2646.2.e.e	$2646$	$2$	2646.e	63.h	$3$	$2$	$1$	$21.128$	\(\Q(\sqrt{-3}) \)	None					126.2.e.b	$2$	$0$	\(-2\)	\(0\)	\(3\)	\(0\)	$1$	$\mathrm{SU}(2)[C_{3}]$	\(q-q^{2}+q^{4}+(3-3\zeta_{6})q^{5}-q^{8}+(-3+\cdots)q^{10}+\cdots\)
2646.2.e.f	$2646$	$2$	2646.e	63.h	$3$	$2$	$1$	$21.128$	\(\Q(\sqrt{-3}) \)	None					126.2.f.a	$2$	$0$	\(2\)	\(0\)	\(-3\)	\(0\)	$1$	$\mathrm{SU}(2)[C_{3}]$	\(q+q^{2}+q^{4}+(-3+3\zeta_{6})q^{5}+q^{8}+\cdots\)
2646.2.e.g	$2646$	$2$	2646.e	63.h	$3$	$2$	$1$	$21.128$	\(\Q(\sqrt{-3}) \)	None					126.2.e.a	$2$	$1$	\(2\)	\(0\)	\(-3\)	\(0\)	$1$	$\mathrm{SU}(2)[C_{3}]$	\(q+q^{2}+q^{4}+(-3+3\zeta_{6})q^{5}+q^{8}+\cdots\)
2646.2.e.h	$2646$	$2$	2646.e	63.h	$3$	$2$	$1$	$21.128$	\(\Q(\sqrt{-3}) \)	None					126.2.f.b	$2$	$0$	\(2\)	\(0\)	\(-2\)	\(0\)	$1$	$\mathrm{SU}(2)[C_{3}]$	\(q+q^{2}+q^{4}+(-2+2\zeta_{6})q^{5}+q^{8}+\cdots\)
2646.2.e.i	$2646$	$2$	2646.e	63.h	$3$	$2$	$1$	$21.128$	\(\Q(\sqrt{-3}) \)	None					126.2.f.b	$2$	$0$	\(2\)	\(0\)	\(2\)	\(0\)	$1$	$\mathrm{SU}(2)[C_{3}]$	\(q+q^{2}+q^{4}+(2-2\zeta_{6})q^{5}+q^{8}+(2+\cdots)q^{10}+\cdots\)
2646.2.e.j	$2646$	$2$	2646.e	63.h	$3$	$2$	$1$	$21.128$	\(\Q(\sqrt{-3}) \)	None					126.2.f.a	$2$	$0$	\(2\)	\(0\)	\(3\)	\(0\)	$1$	$\mathrm{SU}(2)[C_{3}]$	\(q+q^{2}+q^{4}+(3-3\zeta_{6})q^{5}+q^{8}+(3+\cdots)q^{10}+\cdots\)
2646.2.e.k	$2646$	$2$	2646.e	63.h	$3$	$4$	$2$	$21.128$	\(\Q(\sqrt{-2}, \sqrt{-3})\)	None					126.2.f.c	$2$	$0$	\(-4\)	\(0\)	\(-2\)	\(0\)	$3$	$\mathrm{SU}(2)[C_{3}]$	\(q-q^{2}+q^{4}+(-\beta _{1}+\beta _{2})q^{5}-q^{8}+\cdots\)
2646.2.e.l	$2646$	$2$	2646.e	63.h	$3$	$4$	$2$	$21.128$	\(\Q(\sqrt{-2}, \sqrt{-3})\)	None					126.2.f.c	$2$	$0$	\(-4\)	\(0\)	\(2\)	\(0\)	$3$	$\mathrm{SU}(2)[C_{3}]$	\(q-q^{2}+q^{4}+(\beta _{1}-\beta _{2})q^{5}-q^{8}+(-\beta _{1}+\cdots)q^{10}+\cdots\)
2646.2.e.m	$2646$	$2$	2646.e	63.h	$3$	$4$	$2$	$21.128$	\(\Q(\sqrt{-3}, \sqrt{-11})\)	None					126.2.f.d	$2$	$0$	\(4\)	\(0\)	\(-3\)	\(0\)	$3$	$\mathrm{SU}(2)[C_{3}]$	\(q+q^{2}+q^{4}+(-\beta _{1}-\beta _{3})q^{5}+q^{8}+\cdots\)
2646.2.e.n	$2646$	$2$	2646.e	63.h	$3$	$4$	$2$	$21.128$	\(\Q(\sqrt{-3}, \sqrt{-11})\)	None					126.2.f.d	$2$	$0$	\(4\)	\(0\)	\(3\)	\(0\)	$3$	$\mathrm{SU}(2)[C_{3}]$	\(q+q^{2}+q^{4}+(\beta _{1}+\beta _{3})q^{5}+q^{8}+(\beta _{1}+\cdots)q^{10}+\cdots\)
2646.2.e.o	$2646$	$2$	2646.e	63.h	$3$	$6$	$3$	$21.128$	6.0.309123.1	None					126.2.e.d	$2$	$0$	\(-6\)	\(0\)	\(-5\)	\(0\)	$3$	$\mathrm{SU}(2)[C_{3}]$	\(q-q^{2}+q^{4}+(-2+2\beta _{4}-\beta _{5})q^{5}+\cdots\)
2646.2.e.p	$2646$	$2$	2646.e	63.h	$3$	$6$	$3$	$21.128$	6.0.309123.1	None					126.2.e.c	$2$	$0$	\(6\)	\(0\)	\(1\)	\(0\)	$3$	$\mathrm{SU}(2)[C_{3}]$	\(q+q^{2}+q^{4}+\beta _{2}q^{5}+q^{8}+\beta _{2}q^{10}+\cdots\)
2646.2.e.q	$2646$	$2$	2646.e	63.h	$3$	$8$	$4$	$21.128$	\(\Q(\zeta_{24})\)	None					882.2.f.q	$4$	$0$	\(-8\)	\(0\)	\(0\)	\(0\)	$3^{2}$	$\mathrm{SU}(2)[C_{3}]$	\(q-q^{2}+q^{4}-2\beta_{7} q^{5}-q^{8}+2\beta_{7} q^{10}+\cdots\)
2646.2.e.r	$2646$	$2$	2646.e	63.h	$3$	$8$	$4$	$21.128$	\(\Q(\sqrt{2}, \sqrt{-3}, \sqrt{-5})\)	None					882.2.f.p	$4$	$0$	\(-8\)	\(0\)	\(0\)	\(0\)	$3^{2}$	$\mathrm{SU}(2)[C_{3}]$	\(q-q^{2}+q^{4}+\beta _{7}q^{5}-q^{8}-\beta _{7}q^{10}+\cdots\)
2646.2.e.s	$2646$	$2$	2646.e	63.h	$3$	$8$	$4$	$21.128$	\(\Q(\sqrt{-3}, \sqrt{-5}, \sqrt{7})\)	None					882.2.f.r	$4$	$0$	\(8\)	\(0\)	\(0\)	\(0\)	$3^{2}$	$\mathrm{SU}(2)[C_{3}]$	\(q+q^{2}+q^{4}-\beta _{4}q^{5}+q^{8}-\beta _{4}q^{10}+\cdots\)
2646.2.e.t	$2646$	$2$	2646.e	63.h	$3$	$8$	$4$	$21.128$	\(\Q(\zeta_{24})\)	None					882.2.f.s	$4$	$0$	\(8\)	\(0\)	\(0\)	\(0\)	$3^{2}$	$\mathrm{SU}(2)[C_{3}]$	\(q+q^{2}+q^{4}-\beta_{7} q^{5}+q^{8}-\beta_{7} q^{10}+\cdots\)

Decomposition of \(S_{2}^{\mathrm{old}}(2646, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(2646, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(63, [\chi])\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(126, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(189, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(378, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(441, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(882, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(1323, [\chi])\)\(^{\oplus 2}\)