Space of modular forms of level 52, weight 2, and Character 52.h

• Label: 52.2.h
• Level: $52$
• Weight: $2$
• Character orbit: 52.h
• Rep. character: $\chi_{52}(17,\cdot)$
• Character field: $\Q(\zeta_{6})$
• Dimension: $2$
• Newform subspaces: $1$
• Sturm bound: $14$
• Trace bound: $0$

Defining parameters

Level:	$N$	$=$	$52 = 2^{2} \cdot 13$
Weight:	$k$	$=$	$2$
Character orbit:	$[\chi]$	$=$	52.h (of order $6$ and degree $2$)
Character conductor:	$\operatorname{cond}(\chi)$	$=$	$13$
Character field:			$\Q(\zeta_{6})$
Newform subspaces:			$1$
Sturm bound:			$14$
Trace bound:			$0$

Dimensions

The following table gives the dimensions of various subspaces of $M_{2}(52, [\chi])$.

	Total	New	Old
Modular forms	20	2	18
Cusp forms	8	2	6
Eisenstein series	12	0	12

Trace form

2 * q + q^3 - 3 * q^7 + 2 * q^9 - 9 * q^11 - 2 * q^13 - 3 * q^17 + 9 * q^19 - 3 * q^23 + 10 * q^25 + 10 * q^27 + 9 * q^29 - 9 * q^33 - 9 * q^37 + 5 * q^39 - 9 * q^41 - 5 * q^43 - 4 * q^49 - 6 * q^51 - 12 * q^53 + 9 * q^59 + 5 * q^61 - 6 * q^63 + 3 * q^67 + 3 * q^69 + 9 * q^71 + 5 * q^75 + 18 * q^77 + 8 * q^79 - q^81 - 9 * q^87 + 27 * q^89 - 3 * q^91 + 6 * q^93 - 21 * q^97

Decomposition of $S_{2}^{\mathrm{new}}(52, [\chi])$ into newform subspaces

Label	Level	Weight	Char	Prim	Char order	Dim	Rel. Dim	$A$	Field	CM	Self-dual	Twist minimal	Largest	Maximal	Minimal twist	Inner twists	Rank*	Traces				Coefficient ring index	Sato-Tate	$q$-expansion
																		$a_{2}$	$a_{3}$	$a_{5}$	$a_{7}$
52.2.h.a	$52$	$2$	52.h	13.e	$6$	$2$	$1$	$0.415$	$\Q(\sqrt{-3})$	None		✓	✓	✓	52.2.h.a	$2$	$0$	$0$	$1$	$0$	$-3$	$1$	$\mathrm{SU}(2)[C_{6}]$	$q+(1-\zeta_{6})q^{3}+(-2+\zeta_{6})q^{7}+2\zeta_{6}q^{9}+\cdots$

Decomposition of $S_{2}^{\mathrm{old}}(52, [\chi])$ into lower level spaces

$S_{2}^{\mathrm{old}}(52, [\chi]) \simeq$ $S_{2}^{\mathrm{new}}(13, [\chi])$$^{\oplus 3}$