Properties

Label 2.2.205.1-9.1-a
Base field \(\Q(\sqrt{205}) \)
Weight $[2, 2]$
Level norm $9$
Level $[9, 3, 3]$
Dimension $4$
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: $[9, 3, 3]$
Dimension: $4$
CM: no
Base change: no
Newspace dimension: $56$

Hecke eigenvalues ($q$-expansion)

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

\(x^{4} + 3x^{3} - 8x^{2} - 12x + 20\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
3 $[3, 3, w]$ $\phantom{-}1$
3 $[3, 3, w + 2]$ $-1$
4 $[4, 2, 2]$ $\phantom{-}e$
5 $[5, 5, -w + 8]$ $\phantom{-}\frac{1}{2}e^{3} + \frac{3}{2}e^{2} - 2e - 4$
7 $[7, 7, w + 1]$ $\phantom{-}\frac{1}{2}e^{3} + \frac{5}{2}e^{2} - e - 8$
7 $[7, 7, w + 5]$ $-\frac{1}{2}e^{3} - \frac{5}{2}e^{2} + e + 8$
13 $[13, 13, w + 3]$ $\phantom{-}\frac{1}{2}e^{3} + \frac{5}{2}e^{2} + e - 6$
13 $[13, 13, w + 9]$ $-\frac{1}{2}e^{3} - \frac{5}{2}e^{2} - e + 6$
17 $[17, 17, w]$ $\phantom{-}\frac{3}{2}e^{3} + \frac{11}{2}e^{2} - 4e - 13$
17 $[17, 17, w + 16]$ $-\frac{3}{2}e^{3} - \frac{11}{2}e^{2} + 4e + 13$
31 $[31, 31, -w - 4]$ $-e^{3} - 5e^{2} + e + 13$
31 $[31, 31, w - 5]$ $-e^{3} - 5e^{2} + e + 13$
41 $[41, 41, 3w - 22]$ $-e^{3} - 5e^{2} + 8$
47 $[47, 47, w + 19]$ $-\frac{1}{2}e^{3} - \frac{5}{2}e^{2} - 2e + 7$
47 $[47, 47, w + 27]$ $\phantom{-}\frac{1}{2}e^{3} + \frac{5}{2}e^{2} + 2e - 7$
53 $[53, 53, w + 14]$ $\phantom{-}e^{3} + 6e^{2} + e - 16$
53 $[53, 53, w + 38]$ $-e^{3} - 6e^{2} - e + 16$
59 $[59, 59, -w - 10]$ $\phantom{-}e^{3} + 5e^{2} - 2e - 20$
59 $[59, 59, w - 11]$ $\phantom{-}e^{3} + 5e^{2} - 2e - 20$
61 $[61, 61, 2w - 13]$ $\phantom{-}e^{2} - 7$
Display number of eigenvalues

Atkin-Lehner eigenvalues

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