Defining parameters
| Level: | \( N \) | \(=\) | \( 270 = 2 \cdot 3^{3} \cdot 5 \) |
| Weight: | \( k \) | \(=\) | \( 3 \) |
| Character orbit: | \([\chi]\) | \(=\) | 270.g (of order \(4\) and degree \(2\)) |
| Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 5 \) |
| Character field: | \(\Q(i)\) | ||
| Newform subspaces: | \( 6 \) | ||
| Sturm bound: | \(162\) | ||
| Trace bound: | \(5\) | ||
| Distinguishing \(T_p\): | \(7\), \(11\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{3}(270, [\chi])\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 240 | 32 | 208 |
| Cusp forms | 192 | 32 | 160 |
| Eisenstein series | 48 | 0 | 48 |
Trace form
Decomposition of \(S_{3}^{\mathrm{new}}(270, [\chi])\) into newform subspaces
| Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
|---|---|---|---|---|---|---|---|---|---|
| $a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
| 270.3.g.a | $4$ | $7.357$ | \(\Q(i, \sqrt{6})\) | None | \(-4\) | \(0\) | \(-12\) | \(8\) | \(q+(-1-\beta _{2})q^{2}+2\beta _{2}q^{4}+(-3-2\beta _{1}+\cdots)q^{5}+\cdots\) |
| 270.3.g.b | $4$ | $7.357$ | \(\Q(i, \sqrt{6})\) | None | \(-4\) | \(0\) | \(12\) | \(-4\) | \(q+(-1+\beta _{2})q^{2}-2\beta _{2}q^{4}+(3+2\beta _{1}+\cdots)q^{5}+\cdots\) |
| 270.3.g.c | $4$ | $7.357$ | \(\Q(i, \sqrt{6})\) | None | \(4\) | \(0\) | \(-12\) | \(-4\) | \(q+(1-\beta _{2})q^{2}-2\beta _{2}q^{4}+(-3+2\beta _{1}+\cdots)q^{5}+\cdots\) |
| 270.3.g.d | $4$ | $7.357$ | \(\Q(i, \sqrt{6})\) | None | \(4\) | \(0\) | \(12\) | \(8\) | \(q+(1+\beta _{2})q^{2}+2\beta _{2}q^{4}+(3+2\beta _{1}-\beta _{2}+\cdots)q^{5}+\cdots\) |
| 270.3.g.e | $8$ | $7.357$ | 8.0.\(\cdots\).38 | None | \(-8\) | \(0\) | \(12\) | \(-8\) | \(q+(-1-\beta _{1})q^{2}+2\beta _{1}q^{4}+(2-\beta _{1}+\cdots)q^{5}+\cdots\) |
| 270.3.g.f | $8$ | $7.357$ | 8.0.\(\cdots\).38 | None | \(8\) | \(0\) | \(-12\) | \(-8\) | \(q+(1+\beta _{1})q^{2}+2\beta _{1}q^{4}+(-2+\beta _{1}+\cdots)q^{5}+\cdots\) |
Decomposition of \(S_{3}^{\mathrm{old}}(270, [\chi])\) into lower level spaces
\( S_{3}^{\mathrm{old}}(270, [\chi]) \simeq \) \(S_{3}^{\mathrm{new}}(10, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(15, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(30, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(45, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(90, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(135, [\chi])\)\(^{\oplus 2}\)