Space of modular forms of level 48, weight 26, and Character 48.c

• Label: 48.26.c
• Level: $48$
• Weight: $26$
• Character orbit: 48.c
• Rep. character: $\chi_{48}(47,\cdot)$
• Character field: $\Q$
• Dimension: $50$
• Newform subspaces: $3$
• Sturm bound: $208$
• Trace bound: $1$

Defining parameters

Level:	\( N \)	\(=\)	\( 48 = 2^{4} \cdot 3 \)
Weight:	\( k \)	\(=\)	\( 26 \)
Character orbit:	\([\chi]\)	\(=\)	48.c (of order \(2\) and degree \(1\))
Character conductor:	\(\operatorname{cond}(\chi)\)	\(=\)	\( 12 \)
Character field:			\(\Q\)
Newform subspaces:			\( 3 \)
Sturm bound:			\(208\)
Trace bound:			\(1\)
Distinguishing \(T_p\):			\(5\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{26}(48, [\chi])\).

	Total	New	Old
Modular forms	206	50	156
Cusp forms	194	50	144
Eisenstein series	12	0	12

Trace form

\( 50 q + 1076177899434 q^{9} + O(q^{10}) \)

Decomposition of \(S_{26}^{\mathrm{new}}(48, [\chi])\) 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
														$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
48.26.c.a	$48$	$26$	48.c	12.b	$2$	$2$	$2$	$190.078$	\(\Q(\sqrt{-3}) \)	\(\Q(\sqrt{-3}) \)		$4$	$0$	\(0\)	\(0\)	\(0\)	\(0\)	$2$	$\mathrm{U}(1)[D_{2}]$	\(q+3^{12}\zeta_{6}q^{3}+35728842238\zeta_{6}q^{7}+\cdots\)
48.26.c.b	$48$	$26$	48.c	12.b	$2$	$16$	$16$	$190.078$	\(\mathbb{Q}[x]/(x^{16} - \cdots)\)	None		$4$	$0$	\(0\)	\(0\)	\(0\)	\(0\)	$2^{126}\cdot 3^{88}\cdot 5^{6}\cdot 17^{2}$	$\mathrm{SU}(2)[C_{2}]$	\(q+\beta _{2}q^{3}+\beta _{1}q^{5}+(-2923\beta _{2}+\beta _{8}+\cdots)q^{7}+\cdots\)
48.26.c.c	$48$	$26$	48.c	12.b	$2$	$32$	$32$	$190.078$		None		$4$	$0$	\(0\)	\(0\)	\(0\)	\(0\)		$\mathrm{SU}(2)[C_{2}]$

Decomposition of \(S_{26}^{\mathrm{old}}(48, [\chi])\) into lower level spaces

\( S_{26}^{\mathrm{old}}(48, [\chi]) \cong \)