Properties

Label 1764.4.b
Level $1764$
Weight $4$
Character orbit 1764.b
Rep. character $\chi_{1764}(1567,\cdot)$
Character field $\Q$
Dimension $296$
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.b (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 28 \)
Character field: \(\Q\)
Sturm bound: \(1344\)

Dimensions

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

Total New Old
Modular forms 1040 304 736
Cusp forms 976 296 680
Eisenstein series 64 8 56

Trace form

\( 296 q + 12 q^{4} + 12 q^{8} + 28 q^{16} + 120 q^{22} - 7164 q^{25} + 352 q^{29} + 700 q^{32} + 524 q^{37} - 1264 q^{44} + 632 q^{46} - 1088 q^{50} + 356 q^{53} - 472 q^{58} - 2508 q^{64} + 1240 q^{65} + 180 q^{74}+ \cdots - 400 q^{92}+O(q^{100}) \) Copy content Toggle raw display

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

\( S_{4}^{\mathrm{old}}(1764, [\chi]) \simeq \) \(S_{4}^{\mathrm{new}}(28, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(84, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(196, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(252, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(588, [\chi])\)\(^{\oplus 2}\)