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Properties

Label 1440.2.co
Level $1440$
Weight $2$
Character orbit 1440.co
Rep. character $\chi_{1440}(109,\cdot)$
Character field $\Q(\zeta_{8})$
Dimension $472$
Sturm bound $576$

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Defining parameters

Level: \( N \) \(=\) \( 1440 = 2^{5} \cdot 3^{2} \cdot 5 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1440.co (of order \(8\) and degree \(4\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 160 \)
Character field: \(\Q(\zeta_{8})\)
Sturm bound: \(576\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1440, [\chi])\).

Total New Old
Modular forms 1184 488 696
Cusp forms 1120 472 648
Eisenstein series 64 16 48

Trace form

\( 472 q - 8 q^{4} + 4 q^{5} + O(q^{10}) \) \( 472 q - 8 q^{4} + 4 q^{5} - 4 q^{10} + 8 q^{11} - 8 q^{14} - 8 q^{16} - 8 q^{19} + 4 q^{20} - 4 q^{25} + 48 q^{26} + 8 q^{29} - 64 q^{31} - 24 q^{34} + 28 q^{35} + 8 q^{40} + 8 q^{41} + 8 q^{44} - 8 q^{46} + 68 q^{50} - 36 q^{55} - 40 q^{56} + 40 q^{59} - 40 q^{61} - 32 q^{64} + 8 q^{65} - 16 q^{70} - 24 q^{71} + 144 q^{74} + 8 q^{76} + 56 q^{80} - 24 q^{85} + 40 q^{86} + 8 q^{89} - 8 q^{91} - 56 q^{94} + 8 q^{95} + O(q^{100}) \)

Display 100 coefficients 10 coefficients

Decomposition of \(S_{2}^{\mathrm{new}}(1440, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(1440, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(1440, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(160, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(480, [\chi])\)\(^{\oplus 2}\)