Space of modular forms of level 310, weight 2, and Character 310.n

• Label: 310.2.n
• Level: $310$
• Weight: $2$
• Character orbit: 310.n
• Rep. character: $\chi_{310}(39,\cdot)$
• Character field: $\Q(\zeta_{10})$
• Dimension: $64$
• Newform subspaces: $1$
• Sturm bound: $96$
• Trace bound: $0$

Defining parameters

Level:	\( N \)	\(=\)	\( 310 = 2 \cdot 5 \cdot 31 \)
Weight:	\( k \)	\(=\)	\( 2 \)
Character orbit:	\([\chi]\)	\(=\)	310.n (of order \(10\) and degree \(4\))
Character conductor:	\(\operatorname{cond}(\chi)\)	\(=\)	\( 155 \)
Character field:			\(\Q(\zeta_{10})\)
Newform subspaces:			\( 1 \)
Sturm bound:			\(96\)
Trace bound:			\(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(310, [\chi])\).

	Total	New	Old
Modular forms	208	64	144
Cusp forms	176	64	112
Eisenstein series	32	0	32

Trace form

64 * q + 16 * q^4 + 4 * q^5 - 16 * q^6 + 8 * q^9 - 4 * q^10 + 4 * q^11 - 14 * q^15 - 16 * q^16 + 16 * q^19 - 4 * q^20 + 32 * q^21 - 4 * q^24 - 8 * q^25 - 48 * q^26 - 40 * q^29 - 8 * q^30 - 60 * q^31 - 20 * q^34 - 8 * q^35 + 72 * q^36 - 8 * q^39 - 6 * q^40 + 28 * q^41 - 4 * q^44 - 22 * q^45 + 36 * q^46 + 32 * q^49 + 20 * q^50 - 4 * q^51 - 40 * q^54 + 32 * q^59 + 14 * q^60 - 64 * q^61 + 16 * q^64 + 48 * q^65 - 4 * q^66 - 20 * q^70 - 20 * q^71 - 4 * q^74 + 62 * q^75 + 24 * q^76 - 116 * q^79 - 6 * q^80 - 116 * q^81 + 8 * q^84 + 8 * q^85 - 24 * q^86 + 60 * q^89 - 82 * q^90 + 28 * q^91 + 16 * q^94 - 90 * q^95 + 4 * q^96 + 16 * q^99

Decomposition of \(S_{2}^{\mathrm{new}}(310, [\chi])\) 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
																		$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
310.2.n.a	$310$	$2$	310.n	155.n	$10$	$64$	$16$	$2.475$		None		✓	✓	✓	310.2.n.a	$4$	$0$	\(0\)	\(0\)	\(4\)	\(0\)		$\mathrm{SU}(2)[C_{10}]$

Decomposition of \(S_{2}^{\mathrm{old}}(310, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(310, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(155, [\chi])\)\(^{\oplus 2}\)