Properties

Label 2.2.205.1-9.3-b
Base field \(\Q(\sqrt{205}) \)
Weight $[2, 2]$
Level norm $9$
Level $[9,9,w + 6]$
Dimension $2$
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: $[9,9,w + 6]$
Dimension: $2$
CM: no
Base change: no
Newspace dimension: $44$

Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q(e)$ where $e$ is a root of the defining polynomial:

\(x^{2} - 8\)

  Show full eigenvalues   Hide large eigenvalues

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

Atkin-Lehner eigenvalues

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