Properties

Label 2.2.205.1-12.2-b
Base field \(\Q(\sqrt{205}) \)
Weight $[2, 2]$
Level norm $12$
Level $[12,6,-2w + 2]$
Dimension $1$
CM no
Base change no

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Base field \(\Q(\sqrt{205}) \)

Generator \(w\), with minimal polynomial \(x^{2} - x - 51\); narrow class number \(4\) and class number \(2\).

Form

Weight: $[2, 2]$
Level: $[12,6,-2w + 2]$
Dimension: $1$
CM: no
Base change: no
Newspace dimension: $68$

Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q$.
Norm Prime Eigenvalue
3 $[3, 3, w]$ $\phantom{-}0$
3 $[3, 3, w + 2]$ $-1$
4 $[4, 2, 2]$ $\phantom{-}1$
5 $[5, 5, -w + 8]$ $\phantom{-}2$
7 $[7, 7, w + 1]$ $-2$
7 $[7, 7, w + 5]$ $-2$
13 $[13, 13, w + 3]$ $\phantom{-}2$
13 $[13, 13, w + 9]$ $-2$
17 $[17, 17, w]$ $\phantom{-}0$
17 $[17, 17, w + 16]$ $\phantom{-}0$
31 $[31, 31, -w - 4]$ $\phantom{-}8$
31 $[31, 31, w - 5]$ $\phantom{-}0$
41 $[41, 41, 3w - 22]$ $\phantom{-}2$
47 $[47, 47, w + 19]$ $\phantom{-}2$
47 $[47, 47, w + 27]$ $-6$
53 $[53, 53, w + 14]$ $\phantom{-}14$
53 $[53, 53, w + 38]$ $-6$
59 $[59, 59, -w - 10]$ $\phantom{-}0$
59 $[59, 59, w - 11]$ $\phantom{-}0$
61 $[61, 61, 2w - 13]$ $-6$
Display number of eigenvalues

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$3$ $[3,3,-w + 1]$ $1$
$4$ $[4,2,2]$ $-1$