Properties

Label 1728.3.ca
Level $1728$
Weight $3$
Character orbit 1728.ca
Rep. character $\chi_{1728}(41,\cdot)$
Character field $\Q(\zeta_{72})$
Dimension $0$
Newform subspaces $0$
Sturm bound $864$
Trace bound $0$

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Defining parameters

Level: \( N \) \(=\) \( 1728 = 2^{6} \cdot 3^{3} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1728.ca (of order \(72\) and degree \(24\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 864 \)
Character field: \(\Q(\zeta_{72})\)
Newform subspaces: \( 0 \)
Sturm bound: \(864\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{3}(1728, [\chi])\).

Total New Old
Modular forms 13920 0 13920
Cusp forms 13728 0 13728
Eisenstein series 192 0 192

Decomposition of \(S_{3}^{\mathrm{old}}(1728, [\chi])\) into lower level spaces

\( S_{3}^{\mathrm{old}}(1728, [\chi]) \cong \) \(S_{3}^{\mathrm{new}}(864, [\chi])\)\(^{\oplus 2}\)