Properties

Label 2.2.481.1-4.1-c
Base field \(\Q(\sqrt{481}) \)
Weight $[2, 2]$
Level norm $4$
Level $[4, 2, 2]$
Dimension $2$
CM no
Base change no

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Base field \(\Q(\sqrt{481}) \)

Generator \(w\), with minimal polynomial \(x^{2} - x - 120\); narrow class number \(2\) and class number \(2\).

Form

Weight: $[2, 2]$
Level: $[4, 2, 2]$
Dimension: $2$
CM: no
Base change: no
Newspace dimension: $80$

Hecke eigenvalues ($q$-expansion)

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

\(x^{2} + 3x + 1\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
2 $[2, 2, w]$ $-1$
2 $[2, 2, w + 1]$ $\phantom{-}1$
3 $[3, 3, -2w - 21]$ $\phantom{-}e$
3 $[3, 3, 2w - 23]$ $\phantom{-}e + 2$
5 $[5, 5, w]$ $\phantom{-}1$
5 $[5, 5, w + 4]$ $\phantom{-}2e + 3$
13 $[13, 13, w + 6]$ $-2$
19 $[19, 19, w + 2]$ $\phantom{-}4e + 3$
19 $[19, 19, w + 16]$ $-2e - 3$
31 $[31, 31, w + 13]$ $-7$
31 $[31, 31, w + 17]$ $\phantom{-}1$
37 $[37, 37, w + 18]$ $-6$
49 $[49, 7, -7]$ $-3e - 8$
53 $[53, 53, -234w + 2683]$ $-1$
53 $[53, 53, -234w - 2449]$ $\phantom{-}2e + 9$
59 $[59, 59, w + 1]$ $-5e - 3$
59 $[59, 59, w + 57]$ $-3e - 3$
89 $[89, 89, w + 41]$ $-6e - 4$
89 $[89, 89, w + 47]$ $-14e - 24$
97 $[97, 97, w + 26]$ $-6e + 3$
Display number of eigenvalues

Atkin-Lehner eigenvalues

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