# Properties

 Base field 4.4.18625.1 Weight [2, 2, 2, 2] Level norm 16 Level $[16, 2, 2]$ Label 4.4.18625.1-16.1-a Dimension 4 CM no Base change no

# Related objects

• L-function not available

## Base field 4.4.18625.1

Generator $$w$$, with minimal polynomial $$x^{4} - x^{3} - 14x^{2} + 9x + 41$$; narrow class number $$2$$ and class number $$1$$.

## Form

 Weight [2, 2, 2, 2] Level $[16, 2, 2]$ Label 4.4.18625.1-16.1-a Dimension 4 Is CM no Is base change no Parent newspace dimension 30

## Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q(e)$ where $e$ is a root of the defining polynomial:
$$x^{4}$$ $$\mathstrut -\mathstrut 10x^{2}$$ $$\mathstrut +\mathstrut 20$$
Norm Prime Eigenvalue
4 $[4, 2, \frac{1}{6}w^{3} - \frac{7}{3}w - \frac{17}{6}]$ $-1$
4 $[4, 2, w - 3]$ $\phantom{-}1$
5 $[5, 5, -\frac{1}{6}w^{3} + w^{2} + \frac{1}{3}w - \frac{25}{6}]$ $\phantom{-}e$
9 $[9, 3, \frac{1}{6}w^{3} - \frac{7}{3}w + \frac{13}{6}]$ $\phantom{-}e^{2} - e - 5$
9 $[9, 3, -w - 2]$ $-e^{2} - e + 5$
11 $[11, 11, -\frac{1}{6}w^{3} + \frac{7}{3}w + \frac{11}{6}]$ $\phantom{-}\frac{1}{2}e^{3} - 2e - 1$
11 $[11, 11, -w + 2]$ $-\frac{1}{2}e^{3} + 2e - 1$
41 $[41, 41, -w]$ $\phantom{-}\frac{1}{2}e^{3} + e^{2} - 2e - 6$
41 $[41, 41, \frac{1}{6}w^{3} - \frac{7}{3}w + \frac{1}{6}]$ $-\frac{1}{2}e^{3} + e^{2} + 2e - 6$
59 $[59, 59, -\frac{1}{6}w^{3} + \frac{1}{3}w + \frac{23}{6}]$ $\phantom{-}\frac{3}{2}e^{3} - 2e^{2} - 8e + 10$
59 $[59, 59, -\frac{1}{3}w^{3} + \frac{11}{3}w + \frac{11}{3}]$ $\phantom{-}\frac{3}{2}e^{3} + 2e^{2} - 8e - 10$
61 $[61, 61, -\frac{5}{3}w^{3} - 3w^{2} + \frac{46}{3}w + \frac{79}{3}]$ $\phantom{-}\frac{1}{2}e^{3} - e^{2} - 3e - 1$
61 $[61, 61, \frac{5}{6}w^{3} + w^{2} - \frac{23}{3}w - \frac{55}{6}]$ $-\frac{1}{2}e^{3} - e^{2} + 3e - 1$
61 $[61, 61, w^{3} + 2w^{2} - 9w - 17]$ $\phantom{-}\frac{1}{2}e^{3} - e^{2} + e + 9$
61 $[61, 61, -\frac{1}{6}w^{3} + \frac{10}{3}w + \frac{35}{6}]$ $-\frac{1}{2}e^{3} - e^{2} - e + 9$
71 $[71, 71, -\frac{1}{2}w^{3} + 2w^{2} + 4w - \frac{33}{2}]$ $-e^{3} - 3e^{2} + 7e + 9$
71 $[71, 71, \frac{1}{6}w^{3} - w^{2} - \frac{4}{3}w + \frac{67}{6}]$ $\phantom{-}e^{3} - 3e^{2} - 7e + 9$
79 $[79, 79, \frac{1}{2}w^{3} - 3w + \frac{1}{2}]$ $\phantom{-}2e + 5$
79 $[79, 79, -\frac{2}{3}w^{3} + \frac{19}{3}w - \frac{2}{3}]$ $\phantom{-}2e - 5$
89 $[89, 89, \frac{1}{2}w^{3} + w^{2} - 5w - \frac{15}{2}]$ $-e^{3} - 2e^{2} + 9e + 10$
 Display number of eigenvalues

## Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
4 $[4, 2, \frac{1}{6}w^{3} - \frac{7}{3}w - \frac{17}{6}]$ $1$
4 $[4, 2, w - 3]$ $-1$