Properties

Label 1280.3.bk
Level $1280$
Weight $3$
Character orbit 1280.bk
Rep. character $\chi_{1280}(57,\cdot)$
Character field $\Q(\zeta_{32})$
Dimension $0$
Newform subspaces $0$
Sturm bound $576$
Trace bound $0$

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Defining parameters

Level: \( N \) \(=\) \( 1280 = 2^{8} \cdot 5 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1280.bk (of order \(32\) and degree \(16\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 640 \)
Character field: \(\Q(\zeta_{32})\)
Newform subspaces: \( 0 \)
Sturm bound: \(576\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{3}(1280, [\chi])\).

Total New Old
Modular forms 6208 0 6208
Cusp forms 6080 0 6080
Eisenstein series 128 0 128

Decomposition of \(S_{3}^{\mathrm{old}}(1280, [\chi])\) into lower level spaces

\( S_{3}^{\mathrm{old}}(1280, [\chi]) \cong \) \(S_{3}^{\mathrm{new}}(640, [\chi])\)\(^{\oplus 2}\)