Defining parameters
| Level: | \( N \) | \(=\) | \( 75 = 3 \cdot 5^{2} \) |
| Weight: | \( k \) | \(=\) | \( 10 \) |
| Character orbit: | \([\chi]\) | \(=\) | 75.e (of order \(4\) and degree \(2\)) |
| Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 15 \) |
| Character field: | \(\Q(i)\) | ||
| Newform subspaces: | \( 7 \) | ||
| Sturm bound: | \(100\) | ||
| Trace bound: | \(6\) | ||
| Distinguishing \(T_p\): | \(2\), \(7\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{10}(75, [\chi])\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 192 | 112 | 80 |
| Cusp forms | 168 | 104 | 64 |
| Eisenstein series | 24 | 8 | 16 |
Trace form
Decomposition of \(S_{10}^{\mathrm{new}}(75, [\chi])\) into newform subspaces
| Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
|---|---|---|---|---|---|---|---|---|---|
| $a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
| 75.10.e.a | $4$ | $38.628$ | \(\Q(i, \sqrt{86})\) | None | \(0\) | \(-360\) | \(0\) | \(25200\) | \(q+2\beta _{1}q^{2}+(-90-90\beta _{2}-3\beta _{3})q^{3}+\cdots\) |
| 75.10.e.b | $4$ | $38.628$ | \(\Q(i, \sqrt{6})\) | \(\Q(\sqrt{-3}) \) | \(0\) | \(0\) | \(0\) | \(0\) | \(q-3\beta _{3}q^{3}+2^{9}\beta _{2}q^{4}-38\beta _{1}q^{7}-3^{9}\beta _{2}q^{9}+\cdots\) |
| 75.10.e.c | $4$ | $38.628$ | \(\Q(i, \sqrt{6})\) | \(\Q(\sqrt{-15}) \) | \(0\) | \(0\) | \(0\) | \(0\) | \(q+\beta _{1}q^{2}-9\beta _{3}q^{3}-269\beta _{2}q^{4}+3^{7}q^{6}+\cdots\) |
| 75.10.e.d | $4$ | $38.628$ | \(\Q(i, \sqrt{86})\) | None | \(0\) | \(360\) | \(0\) | \(-25200\) | \(q+2\beta _{1}q^{2}+(90+90\beta _{2}-3\beta _{3})q^{3}+\cdots\) |
| 75.10.e.e | $8$ | $38.628$ | \(\mathbb{Q}[x]/(x^{8} - \cdots)\) | None | \(0\) | \(0\) | \(0\) | \(0\) | \(q+2\beta _{3}q^{2}+(-9\beta _{2}-\beta _{5})q^{3}+208\beta _{1}q^{4}+\cdots\) |
| 75.10.e.f | $32$ | $38.628$ | None | \(0\) | \(150\) | \(0\) | \(9760\) | ||
| 75.10.e.g | $48$ | $38.628$ | None | \(0\) | \(0\) | \(0\) | \(0\) | ||
Decomposition of \(S_{10}^{\mathrm{old}}(75, [\chi])\) into lower level spaces
\( S_{10}^{\mathrm{old}}(75, [\chi]) \simeq \) \(S_{10}^{\mathrm{new}}(15, [\chi])\)\(^{\oplus 2}\)