Properties

Label 1680.3.b
Level $1680$
Weight $3$
Character orbit 1680.b
Rep. character $\chi_{1680}(839,\cdot)$
Character field $\Q$
Dimension $0$
Newform subspaces $0$
Sturm bound $1152$
Trace bound $0$

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Defining parameters

Level: \( N \) \(=\) \( 1680 = 2^{4} \cdot 3 \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1680.b (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 840 \)
Character field: \(\Q\)
Newform subspaces: \( 0 \)
Sturm bound: \(1152\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{3}(1680, [\chi])\).

Total New Old
Modular forms 784 0 784
Cusp forms 752 0 752
Eisenstein series 32 0 32

Decomposition of \(S_{3}^{\mathrm{old}}(1680, [\chi])\) into lower level spaces

\( S_{3}^{\mathrm{old}}(1680, [\chi]) \simeq \) \(S_{3}^{\mathrm{new}}(840, [\chi])\)\(^{\oplus 2}\)