Space of modular forms of level 3963, weight 1, and Character 3963.g

• Label: 3963.1.g
• Level: $3963$
• Weight: $1$
• Character orbit: 3963.g
• Rep. character: $\chi_{3963}(257,\cdot)$
• Character field: $\Q(\zeta_{4})$
• Dimension: $2$
• Newform subspaces: $1$
• Sturm bound: $440$
• Trace bound: $0$

Defining parameters

Level:	\( N \)	\(=\)	\( 3963 = 3 \cdot 1321 \)
Weight:	\( k \)	\(=\)	\( 1 \)
Character orbit:	\([\chi]\)	\(=\)	3963.g (of order \(4\) and degree \(2\))
Character conductor:	\(\operatorname{cond}(\chi)\)	\(=\)	\( 3963 \)
Character field:			\(\Q(i)\)
Newform subspaces:			\( 1 \)
Sturm bound:			\(440\)
Trace bound:			\(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{1}(3963, [\chi])\).

	Total	New	Old
Modular forms	6	6	0
Cusp forms	2	2	0
Eisenstein series	4	4	0

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

\( 2 q - 2 q^{3} - 2 q^{4} + 2 q^{7} + 2 q^{9} + O(q^{10}) \)

Decomposition of \(S_{1}^{\mathrm{new}}(3963, [\chi])\) into newform subspaces

Label	Level	Weight	Char	Prim	Char order	Dim	Rel. Dim	$A$	Field	Image	CM	RM	Self-dual	Twist minimal	Largest	Maximal	Minimal twist	Inner twists	Rank*	Traces				Coefficient ring index	Sato-Tate	$q$-expansion
																				$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
3963.1.g.a	$3963$	$1$	3963.g	3963.g	$4$	$2$	$1$	$1.978$	\(\Q(\sqrt{-1}) \)	$D_{4}$	\(\Q(\sqrt{-3}) \)	None		✓	✓	✓	3963.1.g.a	$4$	$0$	\(0\)	\(-2\)	\(0\)	\(2\)	$1$		\(q-q^{3}-q^{4}+(1-i)q^{7}+q^{9}+q^{12}+\cdots\)