Space of modular forms of level 104, weight 1, and Character 104.h

• Label: 104.1.h
• Level: $104$
• Weight: $1$
• Character orbit: 104.h
• Rep. character: $\chi_{104}(51,\cdot)$
• Character field: $\Q$
• Dimension: $2$
• Newform subspaces: $2$
• Sturm bound: $14$
• Trace bound: $2$

Defining parameters

Level:	\( N \)	\(=\)	\( 104 = 2^{3} \cdot 13 \)
Weight:	\( k \)	\(=\)	\( 1 \)
Character orbit:	\([\chi]\)	\(=\)	104.h (of order \(2\) and degree \(1\))
Character conductor:	\(\operatorname{cond}(\chi)\)	\(=\)	\( 104 \)
Character field:			\(\Q\)
Newform subspaces:			\( 2 \)
Sturm bound:			\(14\)
Trace bound:			\(2\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{1}(104, [\chi])\).

	Total	New	Old
Modular forms	4	4	0
Cusp forms	2	2	0
Eisenstein series	2	2	0

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

	\(D_n\)	\(A_4\)	\(S_4\)	\(A_5\)
Dimension	2	0	0	0

Trace form

\( 2 q - 2 q^{3} + 2 q^{4} + O(q^{10}) \)

Decomposition of \(S_{1}^{\mathrm{new}}(104, [\chi])\) into newform subspaces

Label	Level	Weight	Char	Prim	Char order	Dim	Rel. Dim	$A$	Field	Image	CM	RM	Self-dual	Twist minimal	Largest	Maximal	Minimal twist	Inner twists	Rank*	Traces				Coefficient ring index	Sato-Tate	$q$-expansion
																				$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
104.1.h.a	$104$	$1$	104.h	104.h	$2$	$1$	$1$	$0.052$	\(\Q\)	$D_{3}$	\(\Q(\sqrt{-26}) \)	None	✓	✓			104.1.h.a	$2$	$0$	\(-1\)	\(-1\)	\(1\)	\(1\)	$1$		\(q-q^{2}-q^{3}+q^{4}+q^{5}+q^{6}+q^{7}+\cdots\)
104.1.h.b	$104$	$1$	104.h	104.h	$2$	$1$	$1$	$0.052$	\(\Q\)	$D_{3}$	\(\Q(\sqrt{-26}) \)	None	✓	✓			104.1.h.a	$2$	$0$	\(1\)	\(-1\)	\(-1\)	\(-1\)	$1$		\(q+q^{2}-q^{3}+q^{4}-q^{5}-q^{6}-q^{7}+\cdots\)