Properties

Label 2.2.197.1-36.1-e
Base field \(\Q(\sqrt{197}) \)
Weight $[2, 2]$
Level norm $36$
Level $[36, 6, 6]$
Dimension $18$
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: $[36, 6, 6]$
Dimension: $18$
CM: no
Base change: no
Newspace dimension: $97$

Hecke eigenvalues ($q$-expansion)

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

\(x^{18} - 10x^{17} - 20x^{16} + 459x^{15} - 349x^{14} - 8456x^{13} + 13746x^{12} + 81344x^{11} - 158624x^{10} - 449659x^{9} + 868133x^{8} + 1507490x^{7} - 2353882x^{6} - 3126152x^{5} + 2890112x^{4} + 3495520x^{3} - 1080176x^{2} - 1326288x - 5168\)

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

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$4$ $[4, 2, 2]$ $1$
$9$ $[9, 3, 3]$ $-1$