Base field \(\Q(\sqrt{-5}) \)
Generator \(a\), with minimal polynomial \(x^{2} + 5\); class number \(2\).
Level 64.1
| Norm: | 64 |
| Ideal: | \((8) = \left(2, a + 1\right)^{6} \) |
| Label: | 64.1 |
Modular form spaces
| Weight | 2 |
|---|---|
| Dimension of cuspidal subspace: | 7 |
| Dimension of new cuspidal subspace: | 1 |
Newforms
This space contains the following newform of dimension 1.
| label | weight | sign | base change | CM |
|---|---|---|---|---|
| 64.1-a | 2 | -1 | yes | $-4$ |