Defining parameters
| Level: | \( N \) | \(=\) | \( 185 = 5 \cdot 37 \) |
| Weight: | \( k \) | \(=\) | \( 2 \) |
| Character orbit: | \([\chi]\) | \(=\) | 185.c (of order \(2\) and degree \(1\)) |
| Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 37 \) |
| Character field: | \(\Q\) | ||
| Newform subspaces: | \( 2 \) | ||
| Sturm bound: | \(38\) | ||
| Trace bound: | \(1\) | ||
| Distinguishing \(T_p\): | \(2\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(185, [\chi])\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 22 | 14 | 8 |
| Cusp forms | 18 | 14 | 4 |
| Eisenstein series | 4 | 0 | 4 |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(185, [\chi])\) into newform subspaces
| Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
|---|---|---|---|---|---|---|---|---|---|
| $a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
| 185.2.c.a | $2$ | $1.477$ | \(\Q(\sqrt{-1}) \) | None | \(0\) | \(2\) | \(0\) | \(2\) | \(q+q^{3}+2 q^{4}+i q^{5}+q^{7}-2 q^{9}+\cdots\) |
| 185.2.c.b | $12$ | $1.477$ | \(\mathbb{Q}[x]/(x^{12} + \cdots)\) | None | \(0\) | \(2\) | \(0\) | \(-18\) | \(q+\beta _{1}q^{2}-\beta _{9}q^{3}+(-1+\beta _{9}+\beta _{10}+\cdots)q^{4}+\cdots\) |
Decomposition of \(S_{2}^{\mathrm{old}}(185, [\chi])\) into lower level spaces
\( S_{2}^{\mathrm{old}}(185, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(37, [\chi])\)\(^{\oplus 2}\)