Space of modular forms of level 2019, weight 1, and Character 2019.bn

• Label: 2019.1.bn
• Level: $2019$
• Weight: $1$
• Character orbit: 2019.bn
• Rep. character: $\chi_{2019}(146,\cdot)$
• Character field: $\Q(\zeta_{112})$
• Dimension: $48$
• Newform subspaces: $1$
• Sturm bound: $224$
• Trace bound: $0$

Defining parameters

Level:	\( N \)	\(=\)	\( 2019 = 3 \cdot 673 \)
Weight:	\( k \)	\(=\)	\( 1 \)
Character orbit:	\([\chi]\)	\(=\)	2019.bn (of order \(112\) and degree \(48\))
Character conductor:	\(\operatorname{cond}(\chi)\)	\(=\)	\( 2019 \)
Character field:			\(\Q(\zeta_{112})\)
Newform subspaces:			\( 1 \)
Sturm bound:			\(224\)
Trace bound:			\(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{1}(2019, [\chi])\).

	Total	New	Old
Modular forms	144	144	0
Cusp forms	48	48	0
Eisenstein series	96	96	0

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

	\(D_n\)	\(A_4\)	\(S_4\)	\(A_5\)
Dimension	48	0	0	0

Trace form

\( 48 q + O(q^{10}) \)

Decomposition of \(S_{1}^{\mathrm{new}}(2019, [\chi])\) 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
																$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
2019.1.bn.a	$2019$	$1$	2019.bn	2019.an	$112$	$48$	$1$	$1.008$	\(\Q(\zeta_{112})\)	$D_{112}$	\(\Q(\sqrt{-3}) \)	None		$4$	$0$	\(0\)	\(0\)	\(0\)	\(0\)	$1$		\(q+\zeta_{112}^{38}q^{3}-\zeta_{112}^{14}q^{4}+(\zeta_{112}^{31}+\cdots)q^{7}+\cdots\)