Base field \(\Q(\sqrt{2}, \sqrt{5})\)
Generator \(w\), with minimal polynomial \(x^{4} - 6x^{2} + 4\); narrow class number \(1\) and class number \(1\).
Form
| Weight: | $[2, 2, 2, 2]$ |
| Level: | $[64, 4, w^{3} - 4w]$ |
| Dimension: | $1$ |
| CM: | no |
| Base change: | yes |
| Newspace dimension: | $1$ |
Hecke eigenvalues ($q$-expansion)
The Hecke eigenvalue field is $\Q$.
| Norm | Prime | Eigenvalue |
|---|---|---|
| 4 | $[4, 2, \frac{1}{2}w^{3} - 2w]$ | $\phantom{-}0$ |
| 9 | $[9, 3, -\frac{1}{2}w^{3} + \frac{1}{2}w^{2} + 2w - 3]$ | $\phantom{-}2$ |
| 9 | $[9, 3, \frac{1}{2}w^{3} + \frac{1}{2}w^{2} - 2w - 3]$ | $\phantom{-}2$ |
| 25 | $[25, 5, w^{2} - 3]$ | $-6$ |
| 31 | $[31, 31, \frac{1}{2}w^{3} + \frac{1}{2}w^{2} - 3w]$ | $\phantom{-}0$ |
| 31 | $[31, 31, -\frac{1}{2}w^{2} - w + 3]$ | $\phantom{-}0$ |
| 31 | $[31, 31, -\frac{1}{2}w^{2} + w + 3]$ | $\phantom{-}0$ |
| 31 | $[31, 31, \frac{1}{2}w^{3} - \frac{1}{2}w^{2} - 3w]$ | $\phantom{-}0$ |
| 41 | $[41, 41, \frac{1}{2}w^{3} - w^{2} - w + 3]$ | $\phantom{-}2$ |
| 41 | $[41, 41, w^{3} + w^{2} - 5w - 3]$ | $\phantom{-}2$ |
| 41 | $[41, 41, -\frac{3}{2}w^{2} - w + 5]$ | $\phantom{-}2$ |
| 41 | $[41, 41, -\frac{1}{2}w^{3} - w^{2} + w + 3]$ | $\phantom{-}2$ |
| 49 | $[49, 7, -\frac{1}{2}w^{3} + 2w - 3]$ | $\phantom{-}10$ |
| 49 | $[49, 7, \frac{1}{2}w^{3} - 2w - 3]$ | $\phantom{-}10$ |
| 71 | $[71, 71, \frac{1}{2}w^{3} + \frac{1}{2}w^{2} - 2w - 5]$ | $\phantom{-}8$ |
| 71 | $[71, 71, \frac{1}{2}w^{3} + \frac{3}{2}w^{2} - 3w - 5]$ | $\phantom{-}8$ |
| 71 | $[71, 71, \frac{1}{2}w^{3} - \frac{3}{2}w^{2} - 3w + 5]$ | $\phantom{-}8$ |
| 71 | $[71, 71, -\frac{1}{2}w^{3} + \frac{1}{2}w^{2} + 2w - 5]$ | $\phantom{-}8$ |
| 79 | $[79, 79, \frac{1}{2}w^{3} + \frac{3}{2}w^{2} - 2w - 4]$ | $-16$ |
| 79 | $[79, 79, -w^{3} - \frac{1}{2}w^{2} + 6w]$ | $-16$ |
Atkin-Lehner eigenvalues
| Norm | Prime | Eigenvalue |
|---|---|---|
| $4$ | $[4,2,\frac{1}{2}w^{3}-2w]$ | $1$ |