Base field \(\Q(\sqrt{-21}) \)
Generator \(a\), with minimal polynomial \(x^{2} + 21\); class number \(4\).
Level 49.1
| Norm: | 49 |
| Ideal: | \((7) = \left(7, a\right)^{2} \) |
| Label: | 49.1 |
Modular form spaces
| Weight | 2 |
|---|---|
| Dimension of cuspidal subspace: | 26 |
| Dimension of new cuspidal subspace: | 26 |
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 |
|---|---|---|---|---|
| 49.1-a | 2 | +1 | yes | $-7$ |
| 49.1-b | 2 | +1 | yes | $-7$ |