Properties

Label 2.2.40.1-16.1-a
Base field \(\Q(\sqrt{10}) \)
Weight $[2, 2]$
Level norm $16$
Level $[16, 4, 4]$
Dimension $2$
CM no
Base change yes

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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: $[16, 4, 4]$
Dimension: $2$
CM: no
Base change: yes
Newspace dimension: $6$

Hecke eigenvalues ($q$-expansion)

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

\(x^{2} - 2\)

  Show full eigenvalues   Hide large eigenvalues

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

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$2$ $[2, 2, w]$ $1$