Properties

Label 4.4.7488.1-18.1-a
Base field 4.4.7488.1
Weight $[2, 2, 2, 2]$
Level norm $18$
Level $[18, 6, w^{2} - w - 4]$
Dimension $2$
CM no
Base change no

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Base field 4.4.7488.1

Generator \(w\), with minimal polynomial \(x^{4} - 2x^{3} - 4x^{2} + 2x + 1\); narrow class number \(2\) and class number \(1\).

Form

Weight: $[2, 2, 2, 2]$
Level: $[18, 6, w^{2} - w - 4]$
Dimension: $2$
CM: no
Base change: no
Newspace dimension: $4$

Hecke eigenvalues ($q$-expansion)

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

\(x^{2} - 6x + 6\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
2 $[2, 2, -w^{3} + 2w^{2} + 4w - 1]$ $\phantom{-}1$
9 $[9, 3, w^{3} - 2w^{2} - 3w + 1]$ $\phantom{-}1$
11 $[11, 11, -w^{3} + 2w^{2} + 4w]$ $\phantom{-}e$
11 $[11, 11, -w + 2]$ $-e + 6$
13 $[13, 13, w + 2]$ $-3e + 8$
13 $[13, 13, w^{3} - 2w^{2} - 4w + 4]$ $\phantom{-}3e - 10$
13 $[13, 13, -w^{2} + 2w + 2]$ $\phantom{-}2$
37 $[37, 37, -w^{3} + 2w^{2} + 5w - 3]$ $-4$
37 $[37, 37, w^{3} - 2w^{2} - 5w + 1]$ $-4$
47 $[47, 47, -2w^{3} + 2w^{2} + 10w + 5]$ $\phantom{-}3e - 6$
47 $[47, 47, w^{2} - w - 5]$ $-3e + 12$
59 $[59, 59, -w^{3} + 3w^{2} + 3w - 6]$ $-4e + 18$
59 $[59, 59, w^{3} - 3w^{2} - 3w + 2]$ $\phantom{-}4e - 6$
71 $[71, 71, -2w^{3} + 4w^{2} + 7w]$ $-6e + 18$
71 $[71, 71, w^{3} - 2w^{2} - 2w - 2]$ $\phantom{-}6e - 18$
73 $[73, 73, w^{3} - 2w^{2} - 4w - 2]$ $-3e + 2$
73 $[73, 73, w - 4]$ $\phantom{-}3e - 16$
83 $[83, 83, w^{3} - w^{2} - 6w + 1]$ $\phantom{-}2e - 12$
83 $[83, 83, w^{2} - 3w - 3]$ $-2e$
97 $[97, 97, -3w^{3} + 5w^{2} + 12w + 1]$ $\phantom{-}8$
Display number of eigenvalues

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$2$ $[2, 2, -w^{3} + 2w^{2} + 4w - 1]$ $-1$
$9$ $[9, 3, w^{3} - 2w^{2} - 3w + 1]$ $-1$