Defining parameters
| Level: | \( N \) | \(=\) | \( 4020 = 2^{2} \cdot 3 \cdot 5 \cdot 67 \) |
| Weight: | \( k \) | \(=\) | \( 2 \) |
| Character orbit: | \([\chi]\) | \(=\) | 4020.db (of order \(66\) and degree \(20\)) |
| Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 1340 \) |
| Character field: | \(\Q(\zeta_{66})\) | ||
| Sturm bound: | \(1632\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(4020, [\chi])\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 16480 | 8160 | 8320 |
| Cusp forms | 16160 | 8160 | 8000 |
| Eisenstein series | 320 | 0 | 320 |
Decomposition of \(S_{2}^{\mathrm{new}}(4020, [\chi])\) into newform subspaces
The newforms in this space have not yet been added to the LMFDB.
Decomposition of \(S_{2}^{\mathrm{old}}(4020, [\chi])\) into lower level spaces
\( S_{2}^{\mathrm{old}}(4020, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(1340, [\chi])\)\(^{\oplus 2}\)