Properties

Base field 4.4.8768.1
Weight [2, 2, 2, 2]
Level norm 28
Level $[28,14,w^{3} - 4w - 1]$
Label 4.4.8768.1-28.3-b
Dimension 2
CM no
Base change no

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Base field 4.4.8768.1

Generator \(w\), with minimal polynomial \(x^{4} - 2x^{3} - 5x^{2} + 6x + 7\); narrow class number \(1\) and class number \(1\).

Form

Weight [2, 2, 2, 2]
Level $[28,14,w^{3} - 4w - 1]$
Label 4.4.8768.1-28.3-b
Dimension 2
Is CM no
Is base change no
Parent newspace dimension 14

Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q(e)$ where $e$ is a root of the defining polynomial:
\(x^{2} \) \(\mathstrut +\mathstrut 3x \) \(\mathstrut +\mathstrut 1\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
4 $[4, 2, -w^{2} + w + 3]$ $\phantom{-}1$
7 $[7, 7, w]$ $-e - 1$
7 $[7, 7, -w^{2} + 2w + 1]$ $-e - 3$
7 $[7, 7, w^{2} - 2]$ $-1$
7 $[7, 7, w - 1]$ $\phantom{-}e$
23 $[23, 23, -w^{3} + w^{2} + 3w - 1]$ $\phantom{-}3e + 6$
23 $[23, 23, w^{3} - 2w^{2} - 2w + 2]$ $-2e - 2$
31 $[31, 31, w^{2} - 5]$ $\phantom{-}5e + 5$
31 $[31, 31, -w^{2} + 2w + 4]$ $-2e - 10$
41 $[41, 41, -w^{3} + 2w^{2} + 2w - 6]$ $\phantom{-}7e + 10$
41 $[41, 41, w^{3} - w^{2} - 3w - 3]$ $-6e - 14$
47 $[47, 47, w^{2} - 2w - 5]$ $-5e - 8$
47 $[47, 47, w^{2} - 6]$ $-3e - 4$
71 $[71, 71, -w^{3} + 2w^{2} + 3w - 1]$ $\phantom{-}2e$
71 $[71, 71, -w^{3} + w^{2} + 4w - 3]$ $\phantom{-}8e + 14$
79 $[79, 79, -w - 3]$ $-3e + 5$
79 $[79, 79, w - 4]$ $-3e - 13$
81 $[81, 3, -3]$ $\phantom{-}10e + 14$
89 $[89, 89, w^{2} - 3w - 2]$ $-e + 1$
89 $[89, 89, w^{2} + w - 4]$ $\phantom{-}3e + 2$
Display number of eigenvalues

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
4 $[4,2,-w^{2} + w + 3]$ $-1$
7 $[7,7,-w^{2} + 2]$ $1$