Properties

Label 315.8.be
Level $315$
Weight $8$
Character orbit 315.be
Rep. character $\chi_{315}(236,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $448$
Sturm bound $384$

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Defining parameters

Level: \( N \) \(=\) \( 315 = 3^{2} \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 315.be (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 63 \)
Character field: \(\Q(\zeta_{6})\)
Sturm bound: \(384\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{8}(315, [\chi])\).

Total New Old
Modular forms 680 448 232
Cusp forms 664 448 216
Eisenstein series 16 0 16

Trace form

\( 448 q + 14336 q^{4} - 166 q^{7} + 1328 q^{9} + 11082 q^{13} + 26832 q^{14} + 1750 q^{15} - 917504 q^{16} + 47404 q^{18} - 54204 q^{21} - 267264 q^{24} + 7000000 q^{25} - 158784 q^{26} - 376506 q^{27} + 42496 q^{28}+ \cdots - 89685002 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{8}^{\mathrm{new}}(315, [\chi])\) into newform subspaces

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

Decomposition of \(S_{8}^{\mathrm{old}}(315, [\chi])\) into lower level spaces

\( S_{8}^{\mathrm{old}}(315, [\chi]) \simeq \) \(S_{8}^{\mathrm{new}}(63, [\chi])\)\(^{\oplus 2}\)