Properties

Label 2790.2.bg
Level $2790$
Weight $2$
Character orbit 2790.bg
Rep. character $\chi_{2790}(929,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $384$
Sturm bound $1152$

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Defining parameters

Level: \( N \) \(=\) \( 2790 = 2 \cdot 3^{2} \cdot 5 \cdot 31 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2790.bg (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 1395 \)
Character field: \(\Q(\zeta_{6})\)
Sturm bound: \(1152\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(2790, [\chi])\).

Total New Old
Modular forms 1168 384 784
Cusp forms 1136 384 752
Eisenstein series 32 0 32

Trace form

\( 384 q - 192 q^{4} - 12 q^{5} - 8 q^{9} + O(q^{10}) \) \( 384 q - 192 q^{4} - 12 q^{5} - 8 q^{9} - 192 q^{16} + 12 q^{20} + 12 q^{25} - 12 q^{31} + 16 q^{36} + 8 q^{39} + 24 q^{41} - 64 q^{45} + 192 q^{49} + 32 q^{51} - 24 q^{59} + 384 q^{64} - 16 q^{66} - 8 q^{69} + 12 q^{70} - 8 q^{90} + 36 q^{95} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(2790, [\chi])\) into newform subspaces

The newforms in this space have not yet been added to the LMFDB.

Decomposition of \(S_{2}^{\mathrm{old}}(2790, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(2790, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(1395, [\chi])\)\(^{\oplus 2}\)