Properties

Label 2.2.209.1-4.1-c
Base field \(\Q(\sqrt{209}) \)
Weight $[2, 2]$
Level norm $4$
Level $[4, 2, 2]$
Dimension $1$
CM no
Base change yes

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Base field \(\Q(\sqrt{209}) \)

Generator \(w\), with minimal polynomial \(x^{2} - x - 52\); narrow class number \(2\) and class number \(1\).

Form

Weight: $[2, 2]$
Level: $[4, 2, 2]$
Dimension: $1$
CM: no
Base change: yes
Newspace dimension: $12$

Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q$.
Norm Prime Eigenvalue
2 $[2, 2, -11w - 74]$ $\phantom{-}1$
2 $[2, 2, -11w + 85]$ $\phantom{-}1$
5 $[5, 5, 4w - 31]$ $-2$
5 $[5, 5, -4w - 27]$ $-2$
9 $[9, 3, 3]$ $\phantom{-}6$
11 $[11, 11, -70w - 471]$ $\phantom{-}2$
13 $[13, 13, -2w - 13]$ $\phantom{-}6$
13 $[13, 13, -2w + 15]$ $\phantom{-}6$
19 $[19, 19, 92w - 711]$ $\phantom{-}6$
23 $[23, 23, -26w + 201]$ $-4$
23 $[23, 23, -26w - 175]$ $-4$
29 $[29, 29, 18w - 139]$ $-6$
29 $[29, 29, 18w + 121]$ $-6$
41 $[41, 41, -10w - 67]$ $\phantom{-}0$
41 $[41, 41, 10w - 77]$ $\phantom{-}0$
47 $[47, 47, 2w - 17]$ $-8$
47 $[47, 47, 2w + 15]$ $-8$
49 $[49, 7, -7]$ $\phantom{-}4$
79 $[79, 79, 40w - 309]$ $\phantom{-}0$
79 $[79, 79, 40w + 269]$ $\phantom{-}0$
Display number of eigenvalues

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$2$ $[2, 2, -11w - 74]$ $-1$
$2$ $[2, 2, -11w + 85]$ $-1$