Base field \(\Q(\sqrt{-7}) \)
Generator \(a\), with minimal polynomial \(x^2 - x + 2\); class number \(1\).
Level 15876.2
| Norm: | 15876 |
| Ideal: | \((126) = \left(a\right) \cdot \left(-a + 1\right) \cdot \left(3\right)^{2} \cdot \left(-2 a + 1\right)^{2} \) |
| Label: | 15876.2 |
Modular form spaces
| Weight | 2 |
|---|---|
| Dimension of cuspidal subspace: | 203 |
| Dimension of new cuspidal subspace: | 22 |
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 |
|---|---|---|---|---|
| 15876.2-a | 2 | -1 | yes | no |
| 15876.2-b | 2 | +1 | yes | no |
| 15876.2-c | 2 | +1 | yes | no |
| 15876.2-d | 2 | -1 | yes | no |
| 15876.2-e | 2 | +1 | yes (twist) | no |
| 15876.2-f | 2 | +1 | yes (twist) | no |
| 15876.2-g | 2 | -1 | yes | no |
| 15876.2-h | 2 | -1 | yes | no |
| 15876.2-i | 2 | +1 | yes | no |
| 15876.2-j | 2 | +1 | yes | no |