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-c
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-c
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 $[11, 11, -w^{2} + 2w + 2]$ $-1$
13 $[13, 13, -w^{2} + w + 4]$ $-1$
19 $[19, 19, w + 3]$ $-1$
19 $[19, 19, -w^{2} + 2w + 5]$ $\phantom{-}1$
19 $[19, 19, -w^{2} + 3w + 2]$ $-4$
23 $[23, 23, w^{2} - w - 3]$ $\phantom{-}7$
23 $[23, 23, -w^{2} + 2]$ $-2$
23 $[23, 23, -w + 4]$ $\phantom{-}3$
31 $[31, 31, w^{2} - 5]$ $-10$
43 $[43, 43, w^{2} - 3w - 3]$ $-2$
49 $[49, 7, w^{2} - 6]$ $\phantom{-}11$
53 $[53, 53, 2w - 5]$ $\phantom{-}0$
61 $[61, 61, 2w^{2} - 2w - 9]$ $-15$
71 $[71, 71, 2w - 3]$ $\phantom{-}2$
73 $[73, 73, 2w^{2} - 5w - 5]$ $-12$
83 $[83, 83, w^{2} - w - 9]$ $\phantom{-}8$
Display number of eigenvalues

Atkin-Lehner eigenvalues

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