Defining parameters
Level: | \( N \) | \(=\) | \( 231 = 3 \cdot 7 \cdot 11 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 231.bc (of order \(30\) and degree \(8\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 231 \) |
Character field: | \(\Q(\zeta_{30})\) | ||
Newform subspaces: | \( 1 \) | ||
Sturm bound: | \(64\) | ||
Trace bound: | \(0\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(231, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 288 | 288 | 0 |
Cusp forms | 224 | 224 | 0 |
Eisenstein series | 64 | 64 | 0 |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(231, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
231.2.bc.a | $224$ | $1.845$ | None | \(0\) | \(-9\) | \(0\) | \(-16\) |