Space of modular forms of level 43, weight 8, and Character 43.g

• Label: 43.8.g
• Level: $43$
• Weight: $8$
• Character orbit: 43.g
• Rep. character: $\chi_{43}(9,\cdot)$
• Character field: $\Q(\zeta_{21})$
• Dimension: $300$
• Newform subspaces: $1$
• Sturm bound: $29$
• Trace bound: $0$

Defining parameters

Level:	\( N \)	\(=\)	\( 43 \)
Weight:	\( k \)	\(=\)	\( 8 \)
Character orbit:	\([\chi]\)	\(=\)	43.g (of order \(21\) and degree \(12\))
Character conductor:	\(\operatorname{cond}(\chi)\)	\(=\)	\( 43 \)
Character field:			\(\Q(\zeta_{21})\)
Newform subspaces:			\( 1 \)
Sturm bound:			\(29\)
Trace bound:			\(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{8}(43, [\chi])\).

	Total	New	Old
Modular forms	324	324	0
Cusp forms	300	300	0
Eisenstein series	24	24	0

Trace form

\( 300 q - 40 q^{2} - 12 q^{3} - 3028 q^{4} + 235 q^{5} + 1274 q^{6} - 4122 q^{7} + 762 q^{8} + 8097 q^{9} + O(q^{10}) \)

Decomposition of \(S_{8}^{\mathrm{new}}(43, [\chi])\) into newform subspaces

Label	Level	Weight	Char	Prim	Char order	Dim	Rel. Dim	$A$	Field	CM	Self-dual	Inner twists	Rank*	Traces				Coefficient ring index	Sato-Tate	$q$-expansion
														$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
43.8.g.a	$43$	$8$	43.g	43.g	$21$	$300$	$25$	$13.433$		None		$2$	$0$	\(-40\)	\(-12\)	\(235\)	\(-4122\)		$\mathrm{SU}(2)[C_{21}]$