Properties

Label 2.2.268.1-8.1-b
Base field \(\Q(\sqrt{67}) \)
Weight $[2, 2]$
Level norm $8$
Level $[8, 4, -54w + 442]$
Dimension $16$
CM no
Base change no

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Base field \(\Q(\sqrt{67}) \)

Generator \(w\), with minimal polynomial \(x^{2} - 67\); narrow class number \(2\) and class number \(1\).

Form

Weight: $[2, 2]$
Level: $[8, 4, -54w + 442]$
Dimension: $16$
CM: no
Base change: no
Newspace dimension: $32$

Hecke eigenvalues ($q$-expansion)

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

\(x^{16} + 5x^{15} - 19x^{14} - 117x^{13} + 113x^{12} + 1025x^{11} - 180x^{10} - 4236x^{9} - 211x^{8} + 8619x^{7} + 104x^{6} - 7972x^{5} + 1364x^{4} + 2444x^{3} - 1081x^{2} + 135x - 4\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
2 $[2, 2, -27w + 221]$ $\phantom{-}0$
3 $[3, 3, -w + 8]$ $...$
3 $[3, 3, -w - 8]$ $\phantom{-}e$
7 $[7, 7, -11w + 90]$ $...$
7 $[7, 7, -11w - 90]$ $...$
11 $[11, 11, 6w - 49]$ $...$
11 $[11, 11, 6w + 49]$ $...$
17 $[17, 17, 4w + 33]$ $...$
17 $[17, 17, -4w + 33]$ $...$
25 $[25, 5, -5]$ $...$
29 $[29, 29, -70w + 573]$ $...$
29 $[29, 29, 151w - 1236]$ $...$
31 $[31, 31, -w - 6]$ $...$
31 $[31, 31, w - 6]$ $...$
37 $[37, 37, -21w - 172]$ $...$
37 $[37, 37, -21w + 172]$ $...$
43 $[43, 43, 2w - 15]$ $...$
43 $[43, 43, 2w + 15]$ $...$
67 $[67, 67, -w]$ $...$
73 $[73, 73, -3w - 26]$ $...$
Display number of eigenvalues

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$2$ $[2, 2, -27w + 221]$ $-1$