Properties

Label 2.2.85.1-19.2-h
Base field \(\Q(\sqrt{85}) \)
Weight $[2, 2]$
Level norm $19$
Level $[19,19,-w + 2]$
Dimension $8$
CM no
Base change no

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Base field \(\Q(\sqrt{85}) \)

Generator \(w\), with minimal polynomial \(x^{2} - x - 21\); narrow class number \(2\) and class number \(2\).

Form

Weight: $[2, 2]$
Level: $[19,19,-w + 2]$
Dimension: $8$
CM: no
Base change: no
Newspace dimension: $54$

Hecke eigenvalues ($q$-expansion)

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

\(x^{8} + 20x^{6} + 124x^{4} + 256x^{2} + 128\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
3 $[3, 3, w]$ $\phantom{-}\frac{1}{16}e^{7} + \frac{9}{8}e^{5} + \frac{11}{2}e^{3} + 6e$
3 $[3, 3, w + 2]$ $\phantom{-}e$
4 $[4, 2, 2]$ $-\frac{1}{4}e^{4} - \frac{5}{2}e^{2} - 3$
5 $[5, 5, w + 2]$ $-\frac{1}{8}e^{5} - \frac{7}{4}e^{3} - 6e$
7 $[7, 7, w]$ $\phantom{-}\frac{1}{16}e^{7} + e^{5} + \frac{15}{4}e^{3} + e$
7 $[7, 7, w + 6]$ $\phantom{-}\frac{1}{16}e^{7} + \frac{9}{8}e^{5} + 6e^{3} + 9e$
17 $[17, 17, w + 8]$ $-\frac{1}{16}e^{7} - e^{5} - \frac{17}{4}e^{3} - 5e$
19 $[19, 19, w + 1]$ $-\frac{1}{8}e^{6} - 2e^{4} - 9e^{2} - 12$
19 $[19, 19, w - 2]$ $\phantom{-}1$
23 $[23, 23, w + 9]$ $\phantom{-}\frac{1}{16}e^{7} + \frac{9}{8}e^{5} + 6e^{3} + 12e$
23 $[23, 23, w + 13]$ $-\frac{1}{16}e^{7} - e^{5} - \frac{13}{4}e^{3} + 2e$
37 $[37, 37, w + 11]$ $\phantom{-}\frac{1}{8}e^{7} + \frac{19}{8}e^{5} + \frac{49}{4}e^{3} + 11e$
37 $[37, 37, w + 25]$ $-\frac{1}{8}e^{7} - \frac{9}{4}e^{5} - 12e^{3} - 20e$
59 $[59, 59, 3w + 10]$ $-\frac{1}{2}e^{4} - 6e^{2} - 12$
59 $[59, 59, 3w - 13]$ $-\frac{1}{2}e^{4} - 6e^{2} - 12$
73 $[73, 73, w + 15]$ $\phantom{-}\frac{1}{8}e^{7} + \frac{5}{2}e^{5} + 14e^{3} + 19e$
73 $[73, 73, w + 57]$ $\phantom{-}\frac{1}{2}e^{3} + 7e$
89 $[89, 89, -w - 10]$ $\phantom{-}\frac{3}{4}e^{4} + 10e^{2} + 22$
89 $[89, 89, w - 11]$ $\phantom{-}\frac{1}{4}e^{6} + \frac{7}{2}e^{4} + 12e^{2} + 6$
97 $[97, 97, w + 22]$ $\phantom{-}\frac{1}{4}e^{5} + \frac{5}{2}e^{3}$
Display number of eigenvalues

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$19$ $[19,19,-w + 2]$ $-1$