Base field \(\Q(\sqrt{69}) \)
Generator \(w\), with minimal polynomial \(x^{2} - x - 17\); narrow class number \(2\) and class number \(1\).
Form
| Weight: | $[2, 2]$ |
| Level: | $[81, 9, 9]$ |
| Dimension: | $1$ |
| CM: | yes |
| Base change: | yes |
| Newspace dimension: | $45$ |
Hecke eigenvalues ($q$-expansion)
The Hecke eigenvalue field is $\Q$.
| Norm | Prime | Eigenvalue |
|---|---|---|
| 3 | $[3, 3, w - 5]$ | $\phantom{-}0$ |
| 4 | $[4, 2, 2]$ | $-4$ |
| 5 | $[5, 5, -w + 4]$ | $\phantom{-}0$ |
| 5 | $[5, 5, -w - 3]$ | $\phantom{-}0$ |
| 11 | $[11, 11, w + 2]$ | $\phantom{-}0$ |
| 11 | $[11, 11, -w + 3]$ | $\phantom{-}0$ |
| 13 | $[13, 13, w + 5]$ | $\phantom{-}5$ |
| 13 | $[13, 13, -w + 6]$ | $\phantom{-}5$ |
| 17 | $[17, 17, -w]$ | $\phantom{-}0$ |
| 17 | $[17, 17, w - 1]$ | $\phantom{-}0$ |
| 23 | $[23, 23, -3w + 13]$ | $\phantom{-}0$ |
| 31 | $[31, 31, 2w - 11]$ | $-4$ |
| 31 | $[31, 31, -5w + 24]$ | $-4$ |
| 49 | $[49, 7, -7]$ | $-13$ |
| 53 | $[53, 53, 2w - 5]$ | $\phantom{-}0$ |
| 53 | $[53, 53, -2w - 3]$ | $\phantom{-}0$ |
| 73 | $[73, 73, -w - 9]$ | $-7$ |
| 73 | $[73, 73, w - 10]$ | $-7$ |
| 83 | $[83, 83, -3w - 7]$ | $\phantom{-}0$ |
| 83 | $[83, 83, 3w - 10]$ | $\phantom{-}0$ |
Atkin-Lehner eigenvalues
| Norm | Prime | Eigenvalue |
|---|---|---|
| $3$ | $[3, 3, w - 5]$ | $-1$ |