Space of modular forms of level 1911, weight 1, and Character 1911.cv

• Label: 1911.1.cv
• Level: $1911$
• Weight: $1$
• Character orbit: 1911.cv
• Rep. character: $\chi_{1911}(83,\cdot)$
• Character field: $\Q(\zeta_{28})$
• Dimension: $24$
• Newform subspaces: $2$
• Sturm bound: $261$
• Trace bound: $7$

Defining parameters

Level:	\( N \)	\(=\)	\( 1911 = 3 \cdot 7^{2} \cdot 13 \)
Weight:	\( k \)	\(=\)	\( 1 \)
Character orbit:	\([\chi]\)	\(=\)	1911.cv (of order \(28\) and degree \(12\))
Character conductor:	\(\operatorname{cond}(\chi)\)	\(=\)	\( 1911 \)
Character field:			\(\Q(\zeta_{28})\)
Newform subspaces:			\( 2 \)
Sturm bound:			\(261\)
Trace bound:			\(7\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{1}(1911, [\chi])\).

	Total	New	Old
Modular forms	72	72	0
Cusp forms	24	24	0
Eisenstein series	48	48	0

The following table gives the dimensions of subspaces with specified projective image type.

	\(D_n\)	\(A_4\)	\(S_4\)	\(A_5\)
Dimension	24	0	0	0

Trace form

\( 24 q - 2 q^{7} + 4 q^{9} + O(q^{10}) \)

Decomposition of \(S_{1}^{\mathrm{new}}(1911, [\chi])\) into newform subspaces

Label	Level	Weight	Char	Prim	Char order	Dim	Rel. Dim	$A$	Field	Image	CM	RM	Self-dual	Inner twists	Rank*	Traces				Coefficient ring index	Sato-Tate	$q$-expansion
																$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
1911.1.cv.a	$1911$	$1$	1911.cv	1911.bv	$28$	$12$	$1$	$0.954$	\(\Q(\zeta_{28})\)	$D_{28}$	\(\Q(\sqrt{-3}) \)	None		$4$	$0$	\(0\)	\(0\)	\(0\)	\(-2\)	$1$		\(q-\zeta_{28}^{3}q^{3}-\zeta_{28}^{9}q^{4}+\zeta_{28}^{8}q^{7}+\cdots\)
1911.1.cv.b	$1911$	$1$	1911.cv	1911.bv	$28$	$12$	$1$	$0.954$	\(\Q(\zeta_{28})\)	$D_{28}$	\(\Q(\sqrt{-3}) \)	None		$4$	$0$	\(0\)	\(0\)	\(0\)	\(0\)	$1$		\(q+\zeta_{28}^{3}q^{3}-\zeta_{28}^{9}q^{4}+\zeta_{28}q^{7}+\zeta_{28}^{6}q^{9}+\cdots\)