Properties

Label 2.2.40.1-15.1-a
Base field \(\Q(\sqrt{10}) \)
Weight $[2, 2]$
Level norm $15$
Level $[15, 15, -w - 5]$
Dimension $2$
CM no
Base change no

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Base field \(\Q(\sqrt{10}) \)

Generator \(w\), with minimal polynomial \(x^{2} - 10\); narrow class number \(2\) and class number \(2\).

Form

Weight: $[2, 2]$
Level: $[15, 15, -w - 5]$
Dimension: $2$
CM: no
Base change: no
Newspace dimension: $10$

Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q(e)$ where $e$ is a root of the defining polynomial:

\(x^{2} - 2x - 1\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
2 $[2, 2, w]$ $\phantom{-}e$
3 $[3, 3, w + 1]$ $\phantom{-}e - 1$
3 $[3, 3, w + 2]$ $-1$
5 $[5, 5, w]$ $-1$
13 $[13, 13, w + 6]$ $\phantom{-}0$
13 $[13, 13, w + 7]$ $\phantom{-}3e - 5$
31 $[31, 31, -2w + 3]$ $-3e + 9$
31 $[31, 31, 2w + 3]$ $\phantom{-}6e - 6$
37 $[37, 37, w + 11]$ $-2e - 2$
37 $[37, 37, w + 26]$ $-4e + 6$
41 $[41, 41, 3w + 7]$ $\phantom{-}2e - 8$
41 $[41, 41, -3w + 7]$ $\phantom{-}e + 3$
43 $[43, 43, w + 15]$ $-2e + 6$
43 $[43, 43, w + 28]$ $-2e - 8$
49 $[49, 7, -7]$ $-3e - 1$
53 $[53, 53, w + 13]$ $\phantom{-}e + 5$
53 $[53, 53, w + 40]$ $-7e + 9$
67 $[67, 67, w + 12]$ $-5e + 1$
67 $[67, 67, w + 55]$ $\phantom{-}2$
71 $[71, 71, -w - 9]$ $-6e + 12$
Display number of eigenvalues

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$3$ $[3, 3, w + 2]$ $1$
$5$ $[5, 5, w]$ $1$