# Properties

 Base field 3.3.761.1 Weight [2, 2, 2] Level norm 21 Level $[21, 21, w^{2} - 2w - 6]$ Label 3.3.761.1-21.1-a Dimension 1 CM no Base change no

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## Base field 3.3.761.1

Generator $$w$$, with minimal polynomial $$x^{3} - x^{2} - 6x - 1$$; narrow class number $$2$$ and class number $$1$$.

## Form

 Weight [2, 2, 2] Level $[21, 21, w^{2} - 2w - 6]$ Label 3.3.761.1-21.1-a Dimension 1 Is CM no Is base change no Parent newspace dimension 10

## Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q$.
Norm Prime Eigenvalue
3 $[3, 3, w + 1]$ $-1$
7 $[7, 7, w - 1]$ $-1$
8 $[8, 2, 2]$ $\phantom{-}1$
9 $[9, 3, -w^{2} + 2w + 4]$ $-2$
11 $[11, 11, -w^{2} + 2w + 2]$ $\phantom{-}4$
13 $[13, 13, -w^{2} + w + 4]$ $-6$
19 $[19, 19, w + 3]$ $\phantom{-}4$
19 $[19, 19, -w^{2} + 2w + 5]$ $-4$
19 $[19, 19, -w^{2} + 3w + 2]$ $-4$
23 $[23, 23, w^{2} - w - 3]$ $-8$
23 $[23, 23, -w^{2} + 2]$ $\phantom{-}8$
23 $[23, 23, -w + 4]$ $\phantom{-}8$
31 $[31, 31, w^{2} - 5]$ $\phantom{-}0$
43 $[43, 43, w^{2} - 3w - 3]$ $-12$
49 $[49, 7, w^{2} - 6]$ $-14$
53 $[53, 53, 2w - 5]$ $-10$
61 $[61, 61, 2w^{2} - 2w - 9]$ $\phantom{-}10$
71 $[71, 71, 2w - 3]$ $-8$
73 $[73, 73, 2w^{2} - 5w - 5]$ $-2$
83 $[83, 83, w^{2} - w - 9]$ $-12$
 Display number of eigenvalues

## Atkin-Lehner eigenvalues

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