Properties

Label 930.2.h
Level $930$
Weight $2$
Character orbit 930.h
Rep. character $\chi_{930}(371,\cdot)$
Character field $\Q$
Dimension $40$
Newform subspaces $4$
Sturm bound $384$
Trace bound $7$

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Defining parameters

Level: \( N \) \(=\) \( 930 = 2 \cdot 3 \cdot 5 \cdot 31 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 930.h (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 93 \)
Character field: \(\Q\)
Newform subspaces: \( 4 \)
Sturm bound: \(384\)
Trace bound: \(7\)
Distinguishing \(T_p\): \(7\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(930, [\chi])\).

Total New Old
Modular forms 200 40 160
Cusp forms 184 40 144
Eisenstein series 16 0 16

Trace form

\( 40 q - 40 q^{4} - 24 q^{7} + O(q^{10}) \) \( 40 q - 40 q^{4} - 24 q^{7} + 40 q^{16} + 16 q^{18} + 24 q^{19} - 40 q^{25} + 24 q^{28} + 16 q^{31} + 8 q^{33} - 8 q^{39} + 8 q^{45} - 16 q^{51} + 8 q^{63} - 40 q^{64} - 16 q^{66} + 72 q^{67} + 16 q^{69} - 16 q^{72} - 24 q^{76} + 24 q^{78} - 24 q^{81} - 16 q^{82} - 32 q^{87} - 16 q^{90} + 16 q^{93} + 16 q^{97} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(930, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
930.2.h.a 930.h 93.c $4$ $7.426$ \(\Q(i, \sqrt{6})\) None \(0\) \(0\) \(0\) \(-16\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{2}q^{2}-\beta _{3}q^{3}-q^{4}-\beta _{2}q^{5}+\beta _{1}q^{6}+\cdots\)
930.2.h.b 930.h 93.c $4$ $7.426$ \(\Q(\zeta_{12})\) None \(0\) \(0\) \(0\) \(8\) $\mathrm{SU}(2)[C_{2}]$ \(q-\zeta_{12}q^{2}-\zeta_{12}^{3}q^{3}-q^{4}-\zeta_{12}q^{5}+\cdots\)
930.2.h.c 930.h 93.c $16$ $7.426$ \(\mathbb{Q}[x]/(x^{16} - \cdots)\) None \(0\) \(0\) \(0\) \(-20\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{3}q^{2}-\beta _{5}q^{3}-q^{4}+\beta _{3}q^{5}+\beta _{1}q^{6}+\cdots\)
930.2.h.d 930.h 93.c $16$ $7.426$ \(\mathbb{Q}[x]/(x^{16} - \cdots)\) None \(0\) \(0\) \(0\) \(4\) $\mathrm{SU}(2)[C_{2}]$ \(q-\beta _{6}q^{2}-\beta _{12}q^{3}-q^{4}+\beta _{6}q^{5}+\beta _{5}q^{6}+\cdots\)

Decomposition of \(S_{2}^{\mathrm{old}}(930, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(930, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(93, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(186, [\chi])\)\(^{\oplus 2}\)