Defining parameters
| Level: | \( N \) | \(=\) | \( 90 = 2 \cdot 3^{2} \cdot 5 \) |
| Weight: | \( k \) | \(=\) | \( 11 \) |
| Character orbit: | \([\chi]\) | \(=\) | 90.h (of order \(6\) and degree \(2\)) |
| Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 9 \) |
| Character field: | \(\Q(\zeta_{6})\) | ||
| Newform subspaces: | \( 1 \) | ||
| Sturm bound: | \(198\) | ||
| Trace bound: | \(0\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{11}(90, [\chi])\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 368 | 80 | 288 |
| Cusp forms | 352 | 80 | 272 |
| Eisenstein series | 16 | 0 | 16 |
Trace form
Decomposition of \(S_{11}^{\mathrm{new}}(90, [\chi])\) into newform subspaces
| Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
|---|---|---|---|---|---|---|---|---|---|
| $a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
| 90.11.h.a | $80$ | $57.182$ | None | \(0\) | \(44\) | \(0\) | \(-24476\) | ||
Decomposition of \(S_{11}^{\mathrm{old}}(90, [\chi])\) into lower level spaces
\( S_{11}^{\mathrm{old}}(90, [\chi]) \simeq \) \(S_{11}^{\mathrm{new}}(9, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{11}^{\mathrm{new}}(18, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{11}^{\mathrm{new}}(45, [\chi])\)\(^{\oplus 2}\)