Base field \(\Q(\sqrt{15}) \)
Generator \(w\), with minimal polynomial \(x^{2} - 15\); narrow class number \(4\) and class number \(2\).
Form
Weight: | $[2, 2]$ |
Level: | $[21, 21, -w - 6]$ |
Dimension: | $2$ |
CM: | no |
Base change: | no |
Newspace dimension: | $28$ |
Hecke eigenvalues ($q$-expansion)
The Hecke eigenvalue field is $\Q(e)$ where $e$ is a root of the defining polynomial:
\(x^{2} - x - 10\) |
Show full eigenvalues Hide large eigenvalues
Norm | Prime | Eigenvalue |
---|---|---|
2 | $[2, 2, w + 1]$ | $\phantom{-}1$ |
3 | $[3, 3, w]$ | $-1$ |
5 | $[5, 5, w]$ | $\phantom{-}e$ |
7 | $[7, 7, w + 1]$ | $\phantom{-}e - 2$ |
7 | $[7, 7, w + 6]$ | $-1$ |
11 | $[11, 11, -w - 2]$ | $-4$ |
11 | $[11, 11, w - 2]$ | $\phantom{-}e + 2$ |
17 | $[17, 17, w + 7]$ | $-2$ |
17 | $[17, 17, w + 10]$ | $\phantom{-}e + 4$ |
43 | $[43, 43, w + 12]$ | $-3e + 2$ |
43 | $[43, 43, w + 31]$ | $\phantom{-}e - 6$ |
53 | $[53, 53, w + 11]$ | $-2e - 2$ |
53 | $[53, 53, w + 42]$ | $\phantom{-}3e - 4$ |
59 | $[59, 59, 2w - 1]$ | $\phantom{-}2e - 8$ |
59 | $[59, 59, -2w - 1]$ | $-2e$ |
61 | $[61, 61, 2w - 11]$ | $\phantom{-}e + 4$ |
61 | $[61, 61, -2w - 11]$ | $-2$ |
67 | $[67, 67, w + 22]$ | $\phantom{-}e + 2$ |
67 | $[67, 67, w + 45]$ | $-4$ |
71 | $[71, 71, 3w - 8]$ | $\phantom{-}4e$ |
Atkin-Lehner eigenvalues
Norm | Prime | Eigenvalue |
---|---|---|
$3$ | $[3, 3, w]$ | $1$ |
$7$ | $[7, 7, w + 6]$ | $1$ |