Properties

Label 1080.2.cp
Level $1080$
Weight $2$
Character orbit 1080.cp
Rep. character $\chi_{1080}(7,\cdot)$
Character field $\Q(\zeta_{36})$
Dimension $0$
Newform subspaces $0$
Sturm bound $432$
Trace bound $0$

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Defining parameters

Level: \( N \) \(=\) \( 1080 = 2^{3} \cdot 3^{3} \cdot 5 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1080.cp (of order \(36\) and degree \(12\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 540 \)
Character field: \(\Q(\zeta_{36})\)
Newform subspaces: \( 0 \)
Sturm bound: \(432\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1080, [\chi])\).

Total New Old
Modular forms 2688 0 2688
Cusp forms 2496 0 2496
Eisenstein series 192 0 192

Decomposition of \(S_{2}^{\mathrm{old}}(1080, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(1080, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(540, [\chi])\)\(^{\oplus 2}\)