Properties

Label 1520.2.ck
Level $1520$
Weight $2$
Character orbit 1520.ck
Rep. character $\chi_{1520}(501,\cdot)$
Character field $\Q(\zeta_{12})$
Dimension $640$
Sturm bound $480$

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Defining parameters

Level: \( N \) \(=\) \( 1520 = 2^{4} \cdot 5 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1520.ck (of order \(12\) and degree \(4\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 304 \)
Character field: \(\Q(\zeta_{12})\)
Sturm bound: \(480\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1520, [\chi])\).

Total New Old
Modular forms 976 640 336
Cusp forms 944 640 304
Eisenstein series 32 0 32

Trace form

\( 640q + O(q^{10}) \) \( 640q + 4q^{10} + 16q^{15} - 4q^{16} + 8q^{19} + 8q^{24} - 32q^{26} - 40q^{28} - 40q^{32} + 28q^{34} - 16q^{36} + 40q^{38} + 40q^{42} + 44q^{44} - 112q^{46} + 80q^{48} - 640q^{49} + 8q^{51} + 32q^{52} + 60q^{54} - 24q^{56} + 56q^{58} - 32q^{61} + 64q^{62} - 48q^{64} - 104q^{66} + 88q^{68} + 64q^{69} - 56q^{72} - 16q^{74} - 96q^{76} - 32q^{79} - 16q^{80} + 320q^{81} + 80q^{82} + 88q^{84} - 16q^{85} - 32q^{86} - 40q^{88} + 36q^{90} + 24q^{92} + 24q^{94} + 456q^{96} - 108q^{98} - 32q^{99} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(1520, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(1520, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(1520, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(304, [\chi])\)\(^{\oplus 2}\)