Properties

Label 936.4.cg
Level $936$
Weight $4$
Character orbit 936.cg
Rep. character $\chi_{936}(191,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $0$
Newform subspaces $0$
Sturm bound $672$
Trace bound $0$

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Defining parameters

Level: \( N \) \(=\) \( 936 = 2^{3} \cdot 3^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 936.cg (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 468 \)
Character field: \(\Q(\zeta_{6})\)
Newform subspaces: \( 0 \)
Sturm bound: \(672\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{4}(936, [\chi])\).

Total New Old
Modular forms 1024 0 1024
Cusp forms 992 0 992
Eisenstein series 32 0 32

Decomposition of \(S_{4}^{\mathrm{old}}(936, [\chi])\) into lower level spaces

\( S_{4}^{\mathrm{old}}(936, [\chi]) \simeq \) \(S_{4}^{\mathrm{new}}(468, [\chi])\)\(^{\oplus 2}\)