Base field \(\Q(\sqrt{-2}) \)
Generator \(a\), with minimal polynomial \(x^2 + 2\); class number \(1\).
Level 30258.5
| Norm: | 30258 |
| Ideal: | \((123 a) = \left(a\right) \cdot \left(-a - 1\right) \cdot \left(a - 1\right) \cdot \left(-4 a - 3\right) \cdot \left(4 a - 3\right) \) |
| Label: | 30258.5 |
Modular form spaces
| Weight | 2 |
|---|---|
| Dimension of cuspidal subspace: | 135 |
| Dimension of new cuspidal subspace: | 17 |
Newforms
This space contains the following newforms of dimension 1. Newforms of higher dimension are not yet in the database.
| label | weight | sign | base change | CM |
|---|---|---|---|---|
| 30258.5-a | 2 | -1 | yes | no |
| 30258.5-b | 2 | -1 | yes | no |
| 30258.5-c | 2 | -1 | yes | no |
| 30258.5-d | 2 | -1 | yes | no |
| 30258.5-e | 2 | +1 | yes | no |
| 30258.5-f | 2 | +1 | no | no |
| 30258.5-g | 2 | +1 | no | no |
| 30258.5-h | 2 | +1 | yes | no |
| 30258.5-i | 2 | -1 | no | no |
| 30258.5-j | 2 | -1 | no | no |
| 30258.5-k | 2 | +1 | yes | no |