# Properties

 Base field $$\Q(\sqrt{5})$$ Weight [2, 2] Level norm 61 Level $[61,61,-3w - 7]$ Label 2.2.5.1-61.2-a Dimension 2 CM no Base change no

# Related objects

## Base field $$\Q(\sqrt{5})$$

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

## Form

 Weight [2, 2] Level $[61,61,-3w - 7]$ Label 2.2.5.1-61.2-a Dimension 2 Is CM no Is base change no Parent newspace dimension 2

## Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q(e)$ where $e$ is a root of the defining polynomial:
$$x^{2} + 2x - 4$$
Norm Prime Eigenvalue
4 $[4, 2, 2]$ $\phantom{-}e$
5 $[5, 5, -2w + 1]$ $-\frac{3}{2}e - 2$
9 $[9, 3, 3]$ $-\frac{1}{2}e - 3$
11 $[11, 11, -3w + 2]$ $\phantom{-}2e + 2$
11 $[11, 11, -3w + 1]$ $-\frac{1}{2}e - 1$
19 $[19, 19, -4w + 3]$ $\phantom{-}\frac{3}{2}e - 3$
19 $[19, 19, -4w + 1]$ $\phantom{-}\frac{1}{2}e + 2$
29 $[29, 29, w + 5]$ $-e + 4$
29 $[29, 29, -w + 6]$ $-\frac{5}{2}e - 4$
31 $[31, 31, -5w + 2]$ $-e + 6$
31 $[31, 31, -5w + 3]$ $\phantom{-}\frac{5}{2}e + 4$
41 $[41, 41, -6w + 5]$ $-2e - 10$
41 $[41, 41, w - 7]$ $\phantom{-}e + 6$
49 $[49, 7, -7]$ $-2e - 2$
59 $[59, 59, 2w - 9]$ $-\frac{7}{2}e$
59 $[59, 59, 7w - 5]$ $\phantom{-}5e + 4$
61 $[61, 61, 3w - 10]$ $\phantom{-}0$
61 $[61, 61, -3w - 7]$ $-1$
71 $[71, 71, -8w + 7]$ $\phantom{-}2e$
71 $[71, 71, w - 9]$ $-\frac{3}{2}e + 2$
 Display number of eigenvalues

## Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
61 $[61,61,-3w - 7]$ $1$