Space of modular forms of level 1200, weight 1, and Character 1200.c

• Label: 1200.1.c
• Level: $1200$
• Weight: $1$
• Character orbit: 1200.c
• Rep. character: $\chi_{1200}(449,\cdot)$
• Character field: $\Q$
• Dimension: $2$
• Newform subspaces: $1$
• Sturm bound: $240$
• Trace bound: $0$

Defining parameters

Level:	\( N \)	\(=\)	\( 1200 = 2^{4} \cdot 3 \cdot 5^{2} \)
Weight:	\( k \)	\(=\)	\( 1 \)
Character orbit:	\([\chi]\)	\(=\)	1200.c (of order \(2\) and degree \(1\))
Character conductor:	\(\operatorname{cond}(\chi)\)	\(=\)	\( 15 \)
Character field:			\(\Q\)
Newform subspaces:			\( 1 \)
Sturm bound:			\(240\)
Trace bound:			\(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{1}(1200, [\chi])\).

	Total	New	Old
Modular forms	44	4	40
Cusp forms	8	2	6
Eisenstein series	36	2	34

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

	\(D_n\)	\(A_4\)	\(S_4\)	\(A_5\)
Dimension	2	0	0	0

Trace form

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

Decomposition of \(S_{1}^{\mathrm{new}}(1200, [\chi])\) 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
																$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
1200.1.c.a	$1200$	$1$	1200.c	15.d	$2$	$2$	$2$	$0.599$	\(\Q(\sqrt{-1}) \)	$D_{3}$	\(\Q(\sqrt{-3}) \)	None		$4$	$0$	\(0\)	\(0\)	\(0\)	\(0\)	$1$		\(q-iq^{3}-iq^{7}-q^{9}-iq^{13}-q^{19}+\cdots\)

Decomposition of \(S_{1}^{\mathrm{old}}(1200, [\chi])\) into lower level spaces

\( S_{1}^{\mathrm{old}}(1200, [\chi]) \cong \) \(S_{1}^{\mathrm{new}}(240, [\chi])\)\(^{\oplus 2}\)