Defining parameters
| Level: | \( N \) | \(=\) | \( 70 = 2 \cdot 5 \cdot 7 \) |
| Weight: | \( k \) | \(=\) | \( 4 \) |
| Character orbit: | \([\chi]\) | \(=\) | 70.e (of order \(3\) and degree \(2\)) |
| Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 7 \) |
| Character field: | \(\Q(\zeta_{3})\) | ||
| Newform subspaces: | \( 5 \) | ||
| Sturm bound: | \(48\) | ||
| Trace bound: | \(3\) | ||
| Distinguishing \(T_p\): | \(3\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{4}(70, [\chi])\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 80 | 16 | 64 |
| Cusp forms | 64 | 16 | 48 |
| Eisenstein series | 16 | 0 | 16 |
Trace form
Decomposition of \(S_{4}^{\mathrm{new}}(70, [\chi])\) into newform subspaces
| Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
|---|---|---|---|---|---|---|---|---|---|
| $a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
| 70.4.e.a | $2$ | $4.130$ | \(\Q(\sqrt{-3}) \) | None | \(-2\) | \(-1\) | \(5\) | \(35\) | \(q-2\zeta_{6}q^{2}+(-1+\zeta_{6})q^{3}+(-4+4\zeta_{6})q^{4}+\cdots\) |
| 70.4.e.b | $2$ | $4.130$ | \(\Q(\sqrt{-3}) \) | None | \(2\) | \(-10\) | \(5\) | \(28\) | \(q+2\zeta_{6}q^{2}+(-10+10\zeta_{6})q^{3}+(-4+\cdots)q^{4}+\cdots\) |
| 70.4.e.c | $2$ | $4.130$ | \(\Q(\sqrt{-3}) \) | None | \(2\) | \(1\) | \(5\) | \(17\) | \(q+2\zeta_{6}q^{2}+(1-\zeta_{6})q^{3}+(-4+4\zeta_{6})q^{4}+\cdots\) |
| 70.4.e.d | $4$ | $4.130$ | \(\Q(\sqrt{-3}, \sqrt{46})\) | None | \(4\) | \(2\) | \(-10\) | \(6\) | \(q-2\beta _{2}q^{2}+(1+\beta _{1}+\beta _{2})q^{3}+(-4+\cdots)q^{4}+\cdots\) |
| 70.4.e.e | $6$ | $4.130$ | 6.0.\(\cdots\).2 | None | \(-6\) | \(-4\) | \(-15\) | \(14\) | \(q+(-2+2\beta _{3})q^{2}+(-\beta _{1}-\beta _{3})q^{3}+\cdots\) |
Decomposition of \(S_{4}^{\mathrm{old}}(70, [\chi])\) into lower level spaces
\( S_{4}^{\mathrm{old}}(70, [\chi]) \simeq \) \(S_{4}^{\mathrm{new}}(7, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(14, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(35, [\chi])\)\(^{\oplus 2}\)