Defining parameters
| Level: | \( N \) | \(=\) | \( 55 = 5 \cdot 11 \) |
| Weight: | \( k \) | \(=\) | \( 6 \) |
| Character orbit: | \([\chi]\) | \(=\) | 55.g (of order \(5\) and degree \(4\)) |
| Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 11 \) |
| Character field: | \(\Q(\zeta_{5})\) | ||
| Newform subspaces: | \( 2 \) | ||
| Sturm bound: | \(36\) | ||
| Trace bound: | \(2\) | ||
| Distinguishing \(T_p\): | \(2\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{6}(55, [\chi])\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 128 | 80 | 48 |
| Cusp forms | 112 | 80 | 32 |
| Eisenstein series | 16 | 0 | 16 |
Trace form
Decomposition of \(S_{6}^{\mathrm{new}}(55, [\chi])\) into newform subspaces
| Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
|---|---|---|---|---|---|---|---|---|---|
| $a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
| 55.6.g.a | $40$ | $8.821$ | None | \(-6\) | \(-11\) | \(-250\) | \(-207\) | ||
| 55.6.g.b | $40$ | $8.821$ | None | \(2\) | \(55\) | \(250\) | \(11\) | ||
Decomposition of \(S_{6}^{\mathrm{old}}(55, [\chi])\) into lower level spaces
\( S_{6}^{\mathrm{old}}(55, [\chi]) \simeq \) \(S_{6}^{\mathrm{new}}(11, [\chi])\)\(^{\oplus 2}\)