Properties

Label 1440.2.ci
Level $1440$
Weight $2$
Character orbit 1440.ci
Rep. character $\chi_{1440}(179,\cdot)$
Character field $\Q(\zeta_{8})$
Dimension $384$
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.ci (of order \(8\) and degree \(4\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 480 \)
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 384 800
Cusp forms 1120 384 736
Eisenstein series 64 0 64

Trace form

\( 384 q + 64 q^{40} + 64 q^{55} + 64 q^{61} + 96 q^{64} + 96 q^{70} - 16 q^{76} + 64 q^{79} - 176 q^{94}+O(q^{100}) \) Copy content Toggle raw display

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

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