Defining parameters
| Level: | \( N \) | \(=\) | \( 656 = 2^{4} \cdot 41 \) |
| Weight: | \( k \) | \(=\) | \( 6 \) |
| Character orbit: | \([\chi]\) | \(=\) | 656.bm (of order \(20\) and degree \(8\)) |
| Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 328 \) |
| Character field: | \(\Q(\zeta_{20})\) | ||
| Newform subspaces: | \( 0 \) | ||
| Sturm bound: | \(504\) | ||
| Trace bound: | \(0\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{6}(656, [\chi])\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 3392 | 0 | 3392 |
| Cusp forms | 3328 | 0 | 3328 |
| Eisenstein series | 64 | 0 | 64 |
Decomposition of \(S_{6}^{\mathrm{old}}(656, [\chi])\) into lower level spaces
\( S_{6}^{\mathrm{old}}(656, [\chi]) \simeq \) \(S_{6}^{\mathrm{new}}(328, [\chi])\)\(^{\oplus 2}\)