Properties

Label 2.2.220.1-9.2-n
Base field \(\Q(\sqrt{55}) \)
Weight $[2, 2]$
Level norm $9$
Level $[9, 9, -w + 8]$
Dimension $16$
CM no
Base change no

Related objects

Downloads

Learn more

Base field \(\Q(\sqrt{55}) \)

Generator \(w\), with minimal polynomial \(x^{2} - 55\); narrow class number \(4\) and class number \(2\).

Form

Weight: $[2, 2]$
Level: $[9, 9, -w + 8]$
Dimension: $16$
CM: no
Base change: no
Newspace dimension: $68$

Hecke eigenvalues ($q$-expansion)

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

\(x^{16} - 72x^{14} + 1766x^{12} - 18064x^{10} + 86113x^{8} - 188440x^{6} + 163772x^{4} - 42768x^{2} + 1936\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
2 $[2, 2, w + 1]$ $...$
3 $[3, 3, w + 1]$ $\phantom{-}0$
3 $[3, 3, w + 2]$ $...$
5 $[5, 5, -2w + 15]$ $...$
11 $[11, 11, 3w - 22]$ $...$
13 $[13, 13, w + 4]$ $...$
13 $[13, 13, w + 9]$ $...$
17 $[17, 17, w + 2]$ $...$
17 $[17, 17, w + 15]$ $...$
19 $[19, 19, -w - 6]$ $...$
19 $[19, 19, w - 6]$ $...$
23 $[23, 23, w + 3]$ $...$
23 $[23, 23, w + 20]$ $...$
47 $[47, 47, w + 14]$ $...$
47 $[47, 47, w + 33]$ $...$
49 $[49, 7, -7]$ $...$
67 $[67, 67, w + 16]$ $...$
67 $[67, 67, w + 51]$ $...$
73 $[73, 73, w + 36]$ $...$
73 $[73, 73, w + 37]$ $...$
Display number of eigenvalues

Atkin-Lehner eigenvalues

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