Properties

Label 768.2.w
Level $768$
Weight $2$
Character orbit 768.w
Rep. character $\chi_{768}(23,\cdot)$
Character field $\Q(\zeta_{32})$
Dimension $0$
Newform subspaces $0$
Sturm bound $256$
Trace bound $0$

Related objects

Downloads

Learn more

Defining parameters

Level: \( N \) \(=\) \( 768 = 2^{8} \cdot 3 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 768.w (of order \(32\) and degree \(16\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 384 \)
Character field: \(\Q(\zeta_{32})\)
Newform subspaces: \( 0 \)
Sturm bound: \(256\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(768, [\chi])\).

Total New Old
Modular forms 2112 0 2112
Cusp forms 1984 0 1984
Eisenstein series 128 0 128

Decomposition of \(S_{2}^{\mathrm{old}}(768, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(768, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(384, [\chi])\)\(^{\oplus 2}\)