Properties

Label 1764.4.bs
Level $1764$
Weight $4$
Character orbit 1764.bs
Rep. character $\chi_{1764}(71,\cdot)$
Character field $\Q(\zeta_{14})$
Dimension $2016$
Sturm bound $1344$

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Defining parameters

Level: \( N \) \(=\) \( 1764 = 2^{2} \cdot 3^{2} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 1764.bs (of order \(14\) and degree \(6\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 588 \)
Character field: \(\Q(\zeta_{14})\)
Sturm bound: \(1344\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{4}(1764, [\chi])\).

Total New Old
Modular forms 6096 2016 4080
Cusp forms 6000 2016 3984
Eisenstein series 96 0 96

Trace form

\( 2016 q + O(q^{10}) \) \( 2016 q - 144 q^{13} + 504 q^{22} + 8736 q^{25} - 648 q^{28} + 1080 q^{34} + 2520 q^{37} - 840 q^{40} - 840 q^{46} + 1488 q^{49} + 1776 q^{52} - 2016 q^{58} + 5400 q^{61} - 504 q^{64} + 4284 q^{70} + 3264 q^{73} - 1764 q^{76} + 11796 q^{82} + 3024 q^{88} + 8784 q^{94} + 12192 q^{97} + O(q^{100}) \)

Decomposition of \(S_{4}^{\mathrm{new}}(1764, [\chi])\) into newform subspaces

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

Decomposition of \(S_{4}^{\mathrm{old}}(1764, [\chi])\) into lower level spaces

\( S_{4}^{\mathrm{old}}(1764, [\chi]) \cong \) \(S_{4}^{\mathrm{new}}(588, [\chi])\)\(^{\oplus 2}\)