Space of modular forms of level 225, weight 4, and Character 225.p

• Label: 225.4.p
• Level: $225$
• Weight: $4$
• Character orbit: 225.p
• Rep. character: $\chi_{225}(32,\cdot)$
• Character field: $\Q(\zeta_{12})$
• Dimension: $208$
• Newform subspaces: $3$
• Sturm bound: $120$
• Trace bound: $1$

Defining parameters

Level:	\( N \)	\(=\)	\( 225 = 3^{2} \cdot 5^{2} \)
Weight:	\( k \)	\(=\)	\( 4 \)
Character orbit:	\([\chi]\)	\(=\)	225.p (of order \(12\) and degree \(4\))
Character conductor:	\(\operatorname{cond}(\chi)\)	\(=\)	\( 45 \)
Character field:			\(\Q(\zeta_{12})\)
Newform subspaces:			\( 3 \)
Sturm bound:			\(120\)
Trace bound:			\(1\)
Distinguishing \(T_p\):			\(2\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{4}(225, [\chi])\).

	Total	New	Old
Modular forms	384	224	160
Cusp forms	336	208	128
Eisenstein series	48	16	32

Trace form

\( 208 q + 6 q^{2} + 24 q^{6} + 2 q^{7} + O(q^{10}) \)

Decomposition of \(S_{4}^{\mathrm{new}}(225, [\chi])\) 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
														$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
225.4.p.a	$225$	$4$	225.p	45.l	$12$	$48$	$12$	$13.275$		None		$8$	$0$	\(0\)	\(0\)	\(0\)	\(0\)		$\mathrm{SU}(2)[C_{12}]$
225.4.p.b	$225$	$4$	225.p	45.l	$12$	$64$	$16$	$13.275$		None		$4$	$0$	\(6\)	\(0\)	\(0\)	\(2\)		$\mathrm{SU}(2)[C_{12}]$
225.4.p.c	$225$	$4$	225.p	45.l	$12$	$96$	$24$	$13.275$		None		$8$	$0$	\(0\)	\(0\)	\(0\)	\(0\)		$\mathrm{SU}(2)[C_{12}]$

Decomposition of \(S_{4}^{\mathrm{old}}(225, [\chi])\) into lower level spaces

\( S_{4}^{\mathrm{old}}(225, [\chi]) \cong \) \(S_{4}^{\mathrm{new}}(45, [\chi])\)\(^{\oplus 2}\)