Properties

 Label 4.4.8768.1-28.1-h Base field 4.4.8768.1 Weight $[2, 2, 2, 2]$ Level norm $28$ Level $[28, 14, -w^{3} + w^{2} + 3w]$ Dimension $2$ CM no Base change no

Related objects

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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: $[28, 14, -w^{3} + w^{2} + 3w]$ Dimension: $2$ CM: no Base change: no Newspace dimension: $14$

Hecke eigenvalues ($q$-expansion)

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

 $$x^{2} + 2x - 1$$
Norm Prime Eigenvalue
4 $[4, 2, -w^{2} + w + 3]$ $\phantom{-}1$
7 $[7, 7, w]$ $-1$
7 $[7, 7, -w^{2} + 2w + 1]$ $\phantom{-}e$
7 $[7, 7, w^{2} - 2]$ $\phantom{-}e + 1$
7 $[7, 7, w - 1]$ $-e - 4$
23 $[23, 23, -w^{3} + w^{2} + 3w - 1]$ $-3$
23 $[23, 23, w^{3} - 2w^{2} - 2w + 2]$ $-2e - 5$
31 $[31, 31, w^{2} - 5]$ $\phantom{-}e + 8$
31 $[31, 31, -w^{2} + 2w + 4]$ $-2e - 4$
41 $[41, 41, -w^{3} + 2w^{2} + 2w - 6]$ $\phantom{-}2e$
41 $[41, 41, w^{3} - w^{2} - 3w - 3]$ $-3e - 4$
47 $[47, 47, w^{2} - 2w - 5]$ $-7e - 5$
47 $[47, 47, w^{2} - 6]$ $\phantom{-}6e + 8$
71 $[71, 71, -w^{3} + 2w^{2} + 3w - 1]$ $\phantom{-}5e + 11$
71 $[71, 71, -w^{3} + w^{2} + 4w - 3]$ $-9e - 8$
79 $[79, 79, -w - 3]$ $\phantom{-}8$
79 $[79, 79, w - 4]$ $-e - 9$
81 $[81, 3, -3]$ $\phantom{-}3e + 1$
89 $[89, 89, w^{2} - 3w - 2]$ $\phantom{-}9e + 4$
89 $[89, 89, w^{2} + w - 4]$ $\phantom{-}2e - 4$
 Display number of eigenvalues

Atkin-Lehner eigenvalues

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