Properties

Label 2.2.197.1-9.1-f
Base field \(\Q(\sqrt{197}) \)
Weight $[2, 2]$
Level norm $9$
Level $[9, 3, 3]$
Dimension $16$
CM no
Base change yes

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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: $[9, 3, 3]$
Dimension: $16$
CM: no
Base change: yes
Newspace dimension: $30$

Hecke eigenvalues ($q$-expansion)

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

\(x^{16} - 17x^{15} + 93x^{14} - 17x^{13} - 1683x^{12} + 5415x^{11} + 1749x^{10} - 36793x^{9} + 46489x^{8} + 64707x^{7} - 171535x^{6} + 27692x^{5} + 173164x^{4} - 99132x^{3} - 47112x^{2} + 40132x - 3200\)

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Norm Prime Eigenvalue
4 $[4, 2, 2]$ $\phantom{-}e$
7 $[7, 7, w - 7]$ $...$
7 $[7, 7, w + 6]$ $...$
9 $[9, 3, 3]$ $-1$
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
$9$ $[9, 3, 3]$ $1$