Space of modular forms of level 475, weight 1, and Character 475.c

• Label: 475.1.c
• Level: $475$
• Weight: $1$
• Character orbit: 475.c
• Rep. character: $\chi_{475}(151,\cdot)$
• Character field: $\Q$
• Dimension: $3$
• Newform subspaces: $2$
• Sturm bound: $50$
• Trace bound: $1$

Defining parameters

Level:	\( N \)	\(=\)	\( 475 = 5^{2} \cdot 19 \)
Weight:	\( k \)	\(=\)	\( 1 \)
Character orbit:	\([\chi]\)	\(=\)	475.c (of order \(2\) and degree \(1\))
Character conductor:	\(\operatorname{cond}(\chi)\)	\(=\)	\( 19 \)
Character field:			\(\Q\)
Newform subspaces:			\( 2 \)
Sturm bound:			\(50\)
Trace bound:			\(1\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{1}(475, [\chi])\).

	Total	New	Old
Modular forms	9	6	3
Cusp forms	3	3	0
Eisenstein series	6	3	3

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

	\(D_n\)	\(A_4\)	\(S_4\)	\(A_5\)
Dimension	3	0	0	0

Trace form

\( 3 q - q^{4} - 4 q^{6} - q^{9} + O(q^{10}) \)

Decomposition of \(S_{1}^{\mathrm{new}}(475, [\chi])\) 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
																$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
475.1.c.a	$475$	$1$	475.c	19.b	$2$	$1$	$1$	$0.237$	\(\Q\)	$D_{2}$	\(\Q(\sqrt{-19}) \), \(\Q(\sqrt{-95}) \)	\(\Q(\sqrt{5}) \)	✓	$4$	$0$	\(0\)	\(0\)	\(0\)	\(0\)	$1$		\(q+q^{4}+q^{9}-2q^{11}+q^{16}-q^{19}+\cdots\)
475.1.c.b	$475$	$1$	475.c	19.b	$2$	$2$	$2$	$0.237$	\(\Q(\sqrt{-2}) \)	$D_{4}$	\(\Q(\sqrt{-95}) \)	None		$4$	$0$	\(0\)	\(0\)	\(0\)	\(0\)	$1$		\(q-\beta q^{2}-\beta q^{3}-q^{4}-2q^{6}-q^{9}+\beta q^{12}+\cdots\)