Properties

Label 1080.4.k
Level $1080$
Weight $4$
Character orbit 1080.k
Rep. character $\chi_{1080}(541,\cdot)$
Character field $\Q$
Dimension $192$
Sturm bound $864$

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Defining parameters

Level: \( N \) \(=\) \( 1080 = 2^{3} \cdot 3^{3} \cdot 5 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 1080.k (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 8 \)
Character field: \(\Q\)
Sturm bound: \(864\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{4}(1080, [\chi])\).

Total New Old
Modular forms 660 192 468
Cusp forms 636 192 444
Eisenstein series 24 0 24

Trace form

\( 192 q + 6 q^{4} + O(q^{10}) \) \( 192 q + 6 q^{4} + 30 q^{10} + 546 q^{16} - 156 q^{22} - 4800 q^{25} + 636 q^{28} - 264 q^{31} - 534 q^{34} - 240 q^{40} + 1386 q^{46} + 10128 q^{49} + 396 q^{52} - 3408 q^{58} - 1104 q^{64} + 540 q^{70} + 432 q^{73} + 630 q^{76} - 504 q^{79} + 804 q^{82} - 6996 q^{88} + 216 q^{94} - 1584 q^{97} + O(q^{100}) \)

Decomposition of \(S_{4}^{\mathrm{new}}(1080, [\chi])\) into newform subspaces

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

Decomposition of \(S_{4}^{\mathrm{old}}(1080, [\chi])\) into lower level spaces

\( S_{4}^{\mathrm{old}}(1080, [\chi]) \cong \) \(S_{4}^{\mathrm{new}}(40, [\chi])\)\(^{\oplus 4}\)