Space of modular forms of level 2548, weight 1, and Character 2548.bd

• Label: 2548.1.bd
• Level: $2548$
• Weight: $1$
• Character orbit: 2548.bd
• Rep. character: $\chi_{2548}(491,\cdot)$
• Character field: $\Q(\zeta_{6})$
• Dimension: $8$
• Newform subspaces: $1$
• Sturm bound: $392$
• Trace bound: $0$

Defining parameters

Level:	\( N \)	\(=\)	\( 2548 = 2^{2} \cdot 7^{2} \cdot 13 \)
Weight:	\( k \)	\(=\)	\( 1 \)
Character orbit:	\([\chi]\)	\(=\)	2548.bd (of order \(6\) and degree \(2\))
Character conductor:	\(\operatorname{cond}(\chi)\)	\(=\)	\( 52 \)
Character field:			\(\Q(\zeta_{6})\)
Newform subspaces:			\( 1 \)
Sturm bound:			\(392\)
Trace bound:			\(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{1}(2548, [\chi])\).

	Total	New	Old
Modular forms	40	28	12
Cusp forms	8	8	0
Eisenstein series	32	20	12

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

	\(D_n\)	\(A_4\)	\(S_4\)	\(A_5\)
Dimension	8	0	0	0

Trace form

\( 8 q + 4 q^{4} - 4 q^{9} + O(q^{10}) \)

Decomposition of \(S_{1}^{\mathrm{new}}(2548, [\chi])\) 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
																$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
2548.1.bd.a	$2548$	$1$	2548.bd	52.i	$6$	$8$	$4$	$1.272$	\(\Q(\zeta_{24})\)	$D_{12}$	\(\Q(\sqrt{-1}) \)	None		$8$	$0$	\(0\)	\(0\)	\(0\)	\(0\)	$1$		\(q+\zeta_{24}^{10}q^{2}-\zeta_{24}^{8}q^{4}+(\zeta_{24}+\zeta_{24}^{11}+\cdots)q^{5}+\cdots\)