# Properties

 Base field $$\Q(\sqrt{5})$$ Weight [2, 2] Level norm 100 Level $[100, 10, 10]$ Label 2.2.5.1-100.1-b Dimension 1 CM no Base change yes

# 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 $[100, 10, 10]$ Label 2.2.5.1-100.1-b Dimension 1 Is CM no Is base change yes Parent newspace dimension 2

## Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q$.
Norm Prime Eigenvalue
4 $[4, 2, 2]$ $\phantom{-}1$
5 $[5, 5, -2w + 1]$ $\phantom{-}0$
9 $[9, 3, 3]$ $-5$
11 $[11, 11, -3w + 2]$ $-3$
11 $[11, 11, -3w + 1]$ $-3$
19 $[19, 19, -4w + 3]$ $\phantom{-}5$
19 $[19, 19, -4w + 1]$ $\phantom{-}5$
29 $[29, 29, w + 5]$ $\phantom{-}0$
29 $[29, 29, -w + 6]$ $\phantom{-}0$
31 $[31, 31, -5w + 2]$ $\phantom{-}2$
31 $[31, 31, -5w + 3]$ $\phantom{-}2$
41 $[41, 41, -6w + 5]$ $-3$
41 $[41, 41, w - 7]$ $-3$
49 $[49, 7, -7]$ $-10$
59 $[59, 59, 2w - 9]$ $\phantom{-}0$
59 $[59, 59, 7w - 5]$ $\phantom{-}0$
61 $[61, 61, 3w - 10]$ $\phantom{-}2$
61 $[61, 61, -3w - 7]$ $\phantom{-}2$
71 $[71, 71, -8w + 7]$ $\phantom{-}12$
71 $[71, 71, w - 9]$ $\phantom{-}12$
 Display number of eigenvalues

## Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
4 $[4, 2, 2]$ $-1$
5 $[5, 5, -2w + 1]$ $-1$