Defining parameters
| Level: | \( N \) | = | \( 180 = 2^{2} \cdot 3^{2} \cdot 5 \) |
| Weight: | \( k \) | = | \( 8 \) |
| Nonzero newspaces: | \( 12 \) | ||
| Sturm bound: | \(13824\) | ||
| Trace bound: | \(4\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{8}(\Gamma_1(180))\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 6208 | 2591 | 3617 |
| Cusp forms | 5888 | 2535 | 3353 |
| Eisenstein series | 320 | 56 | 264 |
Trace form
Decomposition of \(S_{8}^{\mathrm{new}}(\Gamma_1(180))\)
We only show spaces with even parity, since no modular forms exist when this condition is not satisfied. Within each space \( S_k^{\mathrm{new}}(N, \chi) \) we list available newforms together with their dimension.
| Label | \(\chi\) | Newforms | Dimension | \(\chi\) degree |
|---|---|---|---|---|
| 180.8.a | \(\chi_{180}(1, \cdot)\) | 180.8.a.a | 1 | 1 |
| 180.8.a.b | 1 | |||
| 180.8.a.c | 1 | |||
| 180.8.a.d | 1 | |||
| 180.8.a.e | 1 | |||
| 180.8.a.f | 2 | |||
| 180.8.a.g | 2 | |||
| 180.8.a.h | 2 | |||
| 180.8.d | \(\chi_{180}(109, \cdot)\) | 180.8.d.a | 2 | 1 |
| 180.8.d.b | 4 | |||
| 180.8.d.c | 4 | |||
| 180.8.d.d | 8 | |||
| 180.8.e | \(\chi_{180}(71, \cdot)\) | 180.8.e.a | 56 | 1 |
| 180.8.h | \(\chi_{180}(179, \cdot)\) | 180.8.h.a | 4 | 1 |
| 180.8.h.b | 80 | |||
| 180.8.i | \(\chi_{180}(61, \cdot)\) | 180.8.i.a | 26 | 2 |
| 180.8.i.b | 30 | |||
| 180.8.j | \(\chi_{180}(17, \cdot)\) | 180.8.j.a | 28 | 2 |
| 180.8.k | \(\chi_{180}(127, \cdot)\) | n/a | 206 | 2 |
| 180.8.n | \(\chi_{180}(59, \cdot)\) | n/a | 496 | 2 |
| 180.8.q | \(\chi_{180}(11, \cdot)\) | n/a | 336 | 2 |
| 180.8.r | \(\chi_{180}(49, \cdot)\) | 180.8.r.a | 84 | 2 |
| 180.8.w | \(\chi_{180}(77, \cdot)\) | n/a | 168 | 4 |
| 180.8.x | \(\chi_{180}(7, \cdot)\) | n/a | 992 | 4 |
"n/a" means that newforms for that character have not been added to the database yet
Decomposition of \(S_{8}^{\mathrm{old}}(\Gamma_1(180))\) into lower level spaces
\( S_{8}^{\mathrm{old}}(\Gamma_1(180)) \cong \) \(S_{8}^{\mathrm{new}}(\Gamma_1(1))\)\(^{\oplus 18}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(2))\)\(^{\oplus 12}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(3))\)\(^{\oplus 12}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(4))\)\(^{\oplus 6}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(5))\)\(^{\oplus 9}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(6))\)\(^{\oplus 8}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(9))\)\(^{\oplus 6}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(10))\)\(^{\oplus 6}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(12))\)\(^{\oplus 4}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(15))\)\(^{\oplus 6}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(18))\)\(^{\oplus 4}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(20))\)\(^{\oplus 3}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(30))\)\(^{\oplus 4}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(36))\)\(^{\oplus 2}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(45))\)\(^{\oplus 3}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(60))\)\(^{\oplus 2}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(\Gamma_1(90))\)\(^{\oplus 2}\)