Properties

Label 112.8.b
Level $112$
Weight $8$
Character orbit 112.b
Rep. character $\chi_{112}(57,\cdot)$
Character field $\Q$
Dimension $0$
Newform subspaces $0$
Sturm bound $128$
Trace bound $0$

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Defining parameters

Level: \( N \) \(=\) \( 112 = 2^{4} \cdot 7 \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 112.b (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 8 \)
Character field: \(\Q\)
Newform subspaces: \( 0 \)
Sturm bound: \(128\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{8}(112, [\chi])\).

Total New Old
Modular forms 116 0 116
Cusp forms 108 0 108
Eisenstein series 8 0 8

Decomposition of \(S_{8}^{\mathrm{old}}(112, [\chi])\) into lower level spaces

\( S_{8}^{\mathrm{old}}(112, [\chi]) \simeq \) \(S_{8}^{\mathrm{new}}(8, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(56, [\chi])\)\(^{\oplus 2}\)