Properties

Label 2.2.197.1-43.1-a
Base field \(\Q(\sqrt{197}) \)
Weight $[2, 2]$
Level norm $43$
Level $[43, 43, -w - 2]$
Dimension $2$
CM no
Base change no

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Base field \(\Q(\sqrt{197}) \)

Generator \(w\), with minimal polynomial \(x^{2} - x - 49\); narrow class number \(1\) and class number \(1\).

Form

Weight: $[2, 2]$
Level: $[43, 43, -w - 2]$
Dimension: $2$
CM: no
Base change: no
Newspace dimension: $170$

Hecke eigenvalues ($q$-expansion)

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

\(x^{2} + x - 1\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
4 $[4, 2, 2]$ $\phantom{-}e$
7 $[7, 7, w - 7]$ $\phantom{-}2e + 1$
7 $[7, 7, w + 6]$ $-3e - 1$
9 $[9, 3, 3]$ $-e + 1$
19 $[19, 19, w + 5]$ $-2e - 4$
19 $[19, 19, w - 6]$ $-4e$
23 $[23, 23, w + 8]$ $\phantom{-}3e + 1$
23 $[23, 23, -w + 9]$ $\phantom{-}5e + 6$
25 $[25, 5, 5]$ $-5e - 4$
29 $[29, 29, -w - 4]$ $\phantom{-}2e + 2$
29 $[29, 29, w - 5]$ $-2e + 3$
37 $[37, 37, -w - 3]$ $-2e - 6$
37 $[37, 37, w - 4]$ $\phantom{-}8$
41 $[41, 41, -w - 9]$ $-6e - 4$
41 $[41, 41, w - 10]$ $-4e - 3$
43 $[43, 43, -w - 2]$ $-1$
43 $[43, 43, w - 3]$ $-5e - 7$
47 $[47, 47, -w - 1]$ $\phantom{-}7e + 8$
47 $[47, 47, w - 2]$ $-3e - 11$
53 $[53, 53, 2w - 13]$ $\phantom{-}1$
Display number of eigenvalues

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$43$ $[43, 43, -w - 2]$ $1$