Defining parameters
Level: | \( N \) | \(=\) | \( 222 = 2 \cdot 3 \cdot 37 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 222.n (of order \(18\) and degree \(6\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 37 \) |
Character field: | \(\Q(\zeta_{18})\) | ||
Newform subspaces: | \( 2 \) | ||
Sturm bound: | \(76\) | ||
Trace bound: | \(7\) | ||
Distinguishing \(T_p\): | \(5\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(222, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 252 | 48 | 204 |
Cusp forms | 204 | 48 | 156 |
Eisenstein series | 48 | 0 | 48 |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(222, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
222.2.n.a | $24$ | $1.773$ | None | \(0\) | \(0\) | \(0\) | \(-6\) | ||
222.2.n.b | $24$ | $1.773$ | None | \(0\) | \(0\) | \(0\) | \(6\) |
Decomposition of \(S_{2}^{\mathrm{old}}(222, [\chi])\) into lower level spaces
\( S_{2}^{\mathrm{old}}(222, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(37, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(74, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(111, [\chi])\)\(^{\oplus 2}\)