Properties

Label 9216.2.cb
Level $9216$
Weight $2$
Character orbit 9216.cb
Rep. character $\chi_{9216}(73,\cdot)$
Character field $\Q(\zeta_{128})$
Dimension $0$
Newform subspaces $0$
Sturm bound $3072$
Trace bound $0$

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Defining parameters

Level: \( N \) \(=\) \( 9216 = 2^{10} \cdot 3^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 9216.cb (of order \(128\) and degree \(64\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 512 \)
Character field: \(\Q(\zeta_{128})\)
Newform subspaces: \( 0 \)
Sturm bound: \(3072\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(9216, [\chi])\).

Total New Old
Modular forms 98816 0 98816
Cusp forms 97792 0 97792
Eisenstein series 1024 0 1024

Decomposition of \(S_{2}^{\mathrm{old}}(9216, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(9216, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(512, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(1024, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(1536, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(3072, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(4608, [\chi])\)\(^{\oplus 2}\)