Properties

Label 2.2.328.1-4.1-j
Base field \(\Q(\sqrt{82}) \)
Weight $[2, 2]$
Level norm $4$
Level $[4, 2, 2]$
Dimension $4$
CM no
Base change yes

Related objects

Downloads

Learn more

Base field \(\Q(\sqrt{82}) \)

Generator \(w\), with minimal polynomial \(x^{2} - 82\); narrow class number \(4\) and class number \(4\).

Form

Weight: $[2, 2]$
Level: $[4, 2, 2]$
Dimension: $4$
CM: no
Base change: yes
Newspace dimension: $60$

Hecke eigenvalues ($q$-expansion)

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

\(x^{4} + 6x^{2} + 2\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
2 $[2, 2, w]$ $\phantom{-}0$
3 $[3, 3, w + 1]$ $\phantom{-}e$
3 $[3, 3, w + 2]$ $\phantom{-}e$
11 $[11, 11, w + 4]$ $\phantom{-}e^{3} + 7e$
11 $[11, 11, w + 7]$ $\phantom{-}e^{3} + 7e$
13 $[13, 13, w + 2]$ $\phantom{-}2e^{3} + 10e$
13 $[13, 13, w + 11]$ $\phantom{-}2e^{3} + 10e$
19 $[19, 19, w + 5]$ $-2e^{3} - 13e$
19 $[19, 19, w + 14]$ $-2e^{3} - 13e$
23 $[23, 23, w + 6]$ $-2e^{2} - 4$
23 $[23, 23, w + 17]$ $-2e^{2} - 4$
25 $[25, 5, -5]$ $-2e^{2} - 8$
29 $[29, 29, w + 13]$ $\phantom{-}2e$
29 $[29, 29, w + 16]$ $\phantom{-}2e$
31 $[31, 31, w + 12]$ $-2e^{2} - 8$
31 $[31, 31, w + 19]$ $-2e^{2} - 8$
41 $[41, 41, w]$ $\phantom{-}4e^{2} + 14$
49 $[49, 7, -7]$ $-e^{2} + 6$
53 $[53, 53, w + 20]$ $-2e^{3} - 14e$
53 $[53, 53, w + 33]$ $-2e^{3} - 14e$
Display number of eigenvalues

Atkin-Lehner eigenvalues

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