Base field \(\Q(\sqrt{-209}) \)
Generator \(a\), with minimal polynomial \(x^2 + 209\); class number \(20\).
Level 21.3
| Norm: | 21 |
| Ideal: | \((21) = \left(3, a + 2\right) \cdot \left(7, a + 1\right) \) |
| Label: | 21.3 |
Modular form spaces
| Weight | 2 |
|---|---|
| Dimension of cuspidal subspace: | 56 |
| Dimension of new cuspidal subspace: | 0 |
Newforms
There are no newforms at this level.