Space of modular forms of level 3960, weight 2, and Character 3960.ba

• Label: 3960.2.ba
• Level: $3960$
• Weight: $2$
• Character orbit: 3960.ba
• Rep. character: $\chi_{3960}(2969,\cdot)$
• Character field: $\Q$
• Dimension: $72$
• Newform subspaces: $3$
• Sturm bound: $1728$
• Trace bound: $11$

Defining parameters

Level:	\( N \)	\(=\)	\( 3960 = 2^{3} \cdot 3^{2} \cdot 5 \cdot 11 \)
Weight:	\( k \)	\(=\)	\( 2 \)
Character orbit:	\([\chi]\)	\(=\)	3960.ba (of order \(2\) and degree \(1\))
Character conductor:	\(\operatorname{cond}(\chi)\)	\(=\)	\( 165 \)
Character field:			\(\Q\)
Newform subspaces:			\( 3 \)
Sturm bound:			\(1728\)
Trace bound:			\(11\)
Distinguishing \(T_p\):			\(7\), \(29\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(3960, [\chi])\).

	Total	New	Old
Modular forms	896	72	824
Cusp forms	832	72	760
Eisenstein series	64	0	64

Trace form

\( 72 q + O(q^{10}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(3960, [\chi])\) 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
														$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
3960.2.ba.a	$3960$	$2$	3960.ba	165.d	$2$	$4$	$4$	$31.621$	\(\Q(\zeta_{8})\)	None		$4$	$0$	\(0\)	\(0\)	\(0\)	\(0\)	$1$	$\mathrm{SU}(2)[C_{2}]$	\(q+(-\zeta_{8}-2\zeta_{8}^{3})q^{5}+(-\zeta_{8}+\zeta_{8}^{3})q^{7}+\cdots\)
3960.2.ba.b	$3960$	$2$	3960.ba	165.d	$2$	$4$	$4$	$31.621$	\(\Q(\zeta_{8})\)	None		$4$	$0$	\(0\)	\(0\)	\(0\)	\(0\)	$1$	$\mathrm{SU}(2)[C_{2}]$	\(q+(-2\zeta_{8}-\zeta_{8}^{3})q^{5}+(-\zeta_{8}+\zeta_{8}^{3})q^{7}+\cdots\)
3960.2.ba.c	$3960$	$2$	3960.ba	165.d	$2$	$64$	$64$	$31.621$		None		$8$	$0$	\(0\)	\(0\)	\(0\)	\(0\)		$\mathrm{SU}(2)[C_{2}]$

Decomposition of \(S_{2}^{\mathrm{old}}(3960, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(3960, [\chi]) \cong \)