Base field \(\Q(\sqrt{-2}) \)
Generator \(a\), with minimal polynomial \(x^2 + 2\); class number \(1\).
Level 387.5
| Norm: | 387 |
| Ideal: | \((-13 a + 7) = \left(a - 1\right)^{2} \cdot \left(-3 a - 5\right) \) |
| Label: | 387.5 |
Modular form spaces
| Weight | 2 |
|---|---|
| Dimension of cuspidal subspace: | 2 |
| Dimension of new cuspidal subspace: | 2 |
Newforms
This space contains the following newforms of dimension 1.
| label | weight | sign | base change | CM |
|---|---|---|---|---|
| 387.5-a | 2 | -1 | no | no |
| 387.5-b | 2 | -1 | no | no |