Base field \(\Q(\sqrt{305}) \)
Generator \(w\), with minimal polynomial \(x^{2} - x - 76\); narrow class number \(4\) and class number \(2\).
Form
| Weight: | $[2, 2]$ |
| Level: | $[8,8,-w + 4]$ |
| Dimension: | $23$ |
| CM: | no |
| Base change: | no |
| Newspace dimension: | $92$ |
Hecke eigenvalues ($q$-expansion)
The Hecke eigenvalue field is $\Q(e)$ where $e$ is a root of the defining polynomial:
| \(x^{23} - 2x^{22} - 35x^{21} + 68x^{20} + 523x^{19} - 985x^{18} - 4365x^{17} + 7954x^{16} + 22345x^{15} - 39344x^{14} - 72474x^{13} + 123351x^{12} + 148245x^{11} - 245174x^{10} - 183150x^{9} + 300079x^{8} + 121814x^{7} - 211198x^{6} - 29411x^{5} + 73485x^{4} - 5176x^{3} - 8121x^{2} + 1827x - 97\) |
Show full eigenvalues Hide large eigenvalues
| Norm | Prime | Eigenvalue |
|---|---|---|
| 2 | $[2, 2, w]$ | $\phantom{-}0$ |
| 2 | $[2, 2, w + 1]$ | $\phantom{-}e$ |
| 5 | $[5, 5, -4w + 37]$ | $...$ |
| 7 | $[7, 7, w + 2]$ | $...$ |
| 7 | $[7, 7, w + 4]$ | $...$ |
| 9 | $[9, 3, 3]$ | $...$ |
| 17 | $[17, 17, w + 6]$ | $...$ |
| 17 | $[17, 17, w + 10]$ | $...$ |
| 19 | $[19, 19, -2w + 19]$ | $...$ |
| 19 | $[19, 19, -2w - 17]$ | $...$ |
| 23 | $[23, 23, w + 5]$ | $...$ |
| 23 | $[23, 23, w + 17]$ | $...$ |
| 37 | $[37, 37, w + 1]$ | $...$ |
| 37 | $[37, 37, w + 35]$ | $...$ |
| 41 | $[41, 41, -22w + 203]$ | $...$ |
| 41 | $[41, 41, -6w + 55]$ | $...$ |
| 43 | $[43, 43, w + 20]$ | $...$ |
| 43 | $[43, 43, w + 22]$ | $...$ |
| 53 | $[53, 53, w + 13]$ | $...$ |
| 53 | $[53, 53, w + 39]$ | $...$ |
Atkin-Lehner eigenvalues
| Norm | Prime | Eigenvalue |
|---|---|---|
| $2$ | $[2,2,-w + 2]$ | $1$ |