Properties

Base field \(\Q(\sqrt{2}, \sqrt{3})\)
Weight [2, 2, 2, 2]
Level norm 16
Level $[16, 2, 2]$
Label 4.4.2304.1-16.1-a
Dimension 1
CM yes
Base change yes

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Base field \(\Q(\sqrt{2}, \sqrt{3})\)

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

Form

Weight [2, 2, 2, 2]
Level $[16, 2, 2]$
Label 4.4.2304.1-16.1-a
Dimension 1
Is CM yes
Is base change yes
Parent newspace dimension 2

Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q$.
Norm Prime Eigenvalue
2 $[2, 2, w^{3} - 4w + 1]$ $\phantom{-}0$
9 $[9, 3, -w^{2} + 2]$ $\phantom{-}6$
23 $[23, 23, w^{3} - w^{2} - 4w + 1]$ $\phantom{-}0$
23 $[23, 23, w^{2} - w - 3]$ $\phantom{-}0$
23 $[23, 23, -w^{2} - w + 3]$ $\phantom{-}0$
23 $[23, 23, -w^{3} - w^{2} + 4w + 1]$ $\phantom{-}0$
25 $[25, 5, w^{3} - 5w + 1]$ $-2$
25 $[25, 5, w^{3} - 5w - 1]$ $-2$
47 $[47, 47, -3w^{3} + 2w^{2} + 12w - 8]$ $\phantom{-}0$
47 $[47, 47, -2w^{3} - w^{2} + 6w]$ $\phantom{-}0$
47 $[47, 47, 2w^{3} - w^{2} - 6w]$ $\phantom{-}0$
47 $[47, 47, w^{2} + w - 5]$ $\phantom{-}0$
49 $[49, 7, 2w^{3} - 6w - 1]$ $-10$
49 $[49, 7, -2w^{3} + 6w - 1]$ $-10$
71 $[71, 71, 2w^{3} - w^{2} - 7w + 1]$ $\phantom{-}0$
71 $[71, 71, 3w^{3} - w^{2} - 11w + 2]$ $\phantom{-}0$
71 $[71, 71, 4w^{3} - 2w^{2} - 14w + 5]$ $\phantom{-}0$
71 $[71, 71, -3w^{3} + 2w^{2} + 10w - 4]$ $\phantom{-}0$
73 $[73, 73, -w^{3} - 2w^{2} + 3w + 5]$ $-14$
73 $[73, 73, -w^{3} + 2w^{2} + 3w - 3]$ $-14$
Display number of eigenvalues

Atkin-Lehner eigenvalues

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