Properties

Label 4.4.4225.1-16.1-b
Base field \(\Q(\sqrt{5}, \sqrt{13})\)
Weight $[2, 2, 2, 2]$
Level norm $16$
Level $[16, 2, 2]$
Dimension $1$
CM no
Base change yes

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Base field \(\Q(\sqrt{5}, \sqrt{13})\)

Generator \(w\), with minimal polynomial \(x^{4} - 9x^{2} + 4\); narrow class number \(1\) and class number \(1\).

Form

Weight: $[2, 2, 2, 2]$
Level: $[16, 2, 2]$
Dimension: $1$
CM: no
Base change: yes
Newspace dimension: $4$

Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q$.
Norm Prime Eigenvalue
4 $[4, 2, w]$ $-1$
4 $[4, 2, -\frac{1}{2}w^{3} + \frac{9}{2}w]$ $-1$
9 $[9, 3, \frac{1}{4}w^{3} - \frac{11}{4}w - \frac{1}{2}]$ $-5$
9 $[9, 3, \frac{1}{4}w^{3} - \frac{11}{4}w + \frac{1}{2}]$ $-5$
25 $[25, 5, \frac{1}{2}w^{3} - \frac{7}{2}w]$ $\phantom{-}1$
29 $[29, 29, -\frac{1}{4}w^{3} + \frac{1}{2}w^{2} + \frac{9}{4}w - \frac{1}{2}]$ $\phantom{-}0$
29 $[29, 29, -\frac{1}{2}w^{2} - \frac{1}{2}w + 4]$ $\phantom{-}0$
29 $[29, 29, -\frac{1}{2}w^{2} + \frac{1}{2}w + 4]$ $\phantom{-}0$
29 $[29, 29, -\frac{1}{4}w^{3} - \frac{1}{2}w^{2} + \frac{9}{4}w + \frac{1}{2}]$ $\phantom{-}0$
49 $[49, 7, \frac{3}{4}w^{3} + \frac{1}{2}w^{2} - \frac{23}{4}w - \frac{3}{2}]$ $\phantom{-}5$
49 $[49, 7, \frac{1}{2}w^{3} + \frac{1}{2}w^{2} - 3w - 3]$ $\phantom{-}5$
61 $[61, 61, \frac{1}{2}w^{3} + \frac{1}{2}w^{2} - 5w - 1]$ $-8$
61 $[61, 61, -\frac{1}{4}w^{3} - \frac{1}{2}w^{2} + \frac{13}{4}w + \frac{7}{2}]$ $-8$
61 $[61, 61, -\frac{1}{4}w^{3} + \frac{1}{2}w^{2} + \frac{13}{4}w - \frac{7}{2}]$ $-8$
61 $[61, 61, -\frac{1}{2}w^{3} + \frac{1}{2}w^{2} + 5w - 1]$ $-8$
79 $[79, 79, \frac{3}{4}w^{3} - \frac{25}{4}w - \frac{9}{2}]$ $\phantom{-}10$
79 $[79, 79, -\frac{1}{4}w^{3} + \frac{1}{2}w^{2} - \frac{3}{4}w - \frac{3}{2}]$ $\phantom{-}10$
79 $[79, 79, \frac{1}{4}w^{3} - \frac{3}{4}w - \frac{9}{2}]$ $\phantom{-}10$
79 $[79, 79, \frac{3}{2}w^{3} + \frac{1}{2}w^{2} - 13w - 3]$ $\phantom{-}10$
101 $[101, 101, \frac{1}{4}w^{3} + w^{2} - \frac{7}{4}w - \frac{5}{2}]$ $\phantom{-}12$
Display number of eigenvalues

Atkin-Lehner eigenvalues

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