# Properties

 Label 4.4.15125.1-16.1-b Base field 4.4.15125.1 Weight $[2, 2, 2, 2]$ Level norm $16$ Level $[16, 2, 2]$ Dimension $2$ CM no Base change yes

# Related objects

• L-function not available

## Base field 4.4.15125.1

Generator $$w$$, with minimal polynomial $$x^{4} - x^{3} - 14x^{2} + 14x + 31$$; narrow class number $$4$$ and class number $$1$$.

## Form

 Weight: $[2, 2, 2, 2]$ Level: $[16, 2, 2]$ Dimension: $2$ CM: no Base change: yes Newspace dimension: $24$

## Hecke eigenvalues ($q$-expansion)

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

 $$x^{2} - 2$$
Norm Prime Eigenvalue
5 $[5, 5, 4w^{3} + 7w^{2} - 37w - 45]$ $\phantom{-}e$
11 $[11, 11, 2w^{3} + 3w^{2} - 18w - 16]$ $\phantom{-}2e$
11 $[11, 11, -w + 2]$ $\phantom{-}2e$
16 $[16, 2, 2]$ $-1$
19 $[19, 19, 4w^{3} + 7w^{2} - 36w - 45]$ $\phantom{-}3$
19 $[19, 19, -w^{3} - w^{2} + 9w + 3]$ $\phantom{-}3$
19 $[19, 19, -2w^{3} - 4w^{2} + 17w + 23]$ $-3$
19 $[19, 19, w^{3} + 2w^{2} - 10w - 10]$ $-3$
29 $[29, 29, -w - 2]$ $\phantom{-}3e - 3$
29 $[29, 29, -w^{3} - 2w^{2} + 8w + 15]$ $\phantom{-}3e - 3$
29 $[29, 29, 2w^{3} + 3w^{2} - 18w - 20]$ $-3e + 3$
29 $[29, 29, -3w^{3} - 5w^{2} + 27w + 28]$ $-3e + 3$
31 $[31, 31, 3w^{3} + 5w^{2} - 27w - 31]$ $\phantom{-}3e + 3$
31 $[31, 31, -3w^{3} - 5w^{2} + 27w + 30]$ $\phantom{-}3e + 3$
31 $[31, 31, -2w^{3} - 3w^{2} + 18w + 17]$ $\phantom{-}3e + 3$
31 $[31, 31, 2w^{3} + 3w^{2} - 18w - 18]$ $\phantom{-}3e + 3$
71 $[71, 71, -w^{3} - 2w^{2} + 10w + 8]$ $-3e + 3$
71 $[71, 71, 4w^{3} + 8w^{2} - 35w - 50]$ $-3e + 3$
71 $[71, 71, -4w^{3} - 7w^{2} + 36w + 47]$ $-3e + 3$
71 $[71, 71, -w^{3} - 2w^{2} + 8w + 17]$ $-3e + 3$
 Display number of eigenvalues

## Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$16$ $[16, 2, 2]$ $1$