Properties

Label 3840.2.ds
Level $3840$
Weight $2$
Character orbit 3840.ds
Rep. character $\chi_{3840}(163,\cdot)$
Character field $\Q(\zeta_{64})$
Dimension $12288$
Sturm bound $1536$

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Defining parameters

Level: \( N \) \(=\) \( 3840 = 2^{8} \cdot 3 \cdot 5 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3840.ds (of order \(64\) and degree \(32\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 1280 \)
Character field: \(\Q(\zeta_{64})\)
Sturm bound: \(1536\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(3840, [\chi])\).

Total New Old
Modular forms 24704 12288 12416
Cusp forms 24448 12288 12160
Eisenstein series 256 0 256

Trace form

\( 12288 q + O(q^{10}) \) \( 12288 q + 192 q^{50} - 64 q^{54} - 384 q^{60} + 384 q^{64} + 384 q^{70} - 768 q^{74} - 192 q^{80} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(3840, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(3840, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(3840, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(1280, [\chi])\)\(^{\oplus 2}\)