Base field \(\Q(\sqrt{-55}) \)
Generator \(a\), with minimal polynomial \(x^2 - x + 14\); class number \(4\).
Level 28.5
| Norm: | 28 |
| Ideal: | \((28) = \left(2, a + 1\right)^{2} \cdot \left(7, a\right) \) |
| Label: | 28.5 |
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 |
|---|---|---|---|---|
| 28.5-a | 2 | +1 | no | no |
| 28.5-b | 2 | -1 | no | no |