Base field \(\Q(\sqrt{-43}) \)
Generator \(a\), with minimal polynomial \(x^{2} - x + 11\); class number \(1\).
Level 256.1
| Norm: | 256 |
| Ideal: | \((16) = \left(2\right)^{4} \) |
| Label: | 256.1 |
Modular form spaces
| Weight | 2 |
|---|---|
| Dimension of cuspidal subspace: | 26 |
| Dimension of new cuspidal subspace: | 20 |
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 |
|---|---|---|---|---|
| 256.1-a | 2 | -1 | yes (twist) | no |
| 256.1-b | 2 | -1 | yes (twist) | no |
| 256.1-c | 2 | +1 | yes (twist) | no |
| 256.1-d | 2 | +1 | yes (twist) | no |
| 256.1-e | 2 | +1 | yes (twist) | no |
| 256.1-f | 2 | +1 | yes (twist) | no |