Properties

Label 2.2.168.1-7.1-m
Base field \(\Q(\sqrt{42}) \)
Weight $[2, 2]$
Level norm $7$
Level $[7, 7, w - 7]$
Dimension $8$
CM no
Base change no

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Base field \(\Q(\sqrt{42}) \)

Generator \(w\), with minimal polynomial \(x^{2} - 42\); narrow class number \(4\) and class number \(2\).

Form

Weight: $[2, 2]$
Level: $[7, 7, w - 7]$
Dimension: $8$
CM: no
Base change: no
Newspace dimension: $52$

Hecke eigenvalues ($q$-expansion)

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

\(x^{8} + 90x^{6} + 1697x^{4} + 11700x^{2} + 26896\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
2 $[2, 2, w]$ $\phantom{-}\frac{3}{328}e^{7} + \frac{91}{123}e^{5} + \frac{2877}{328}e^{3} + \frac{3220}{123}e$
3 $[3, 3, w]$ $-\frac{39}{2296}e^{7} - \frac{1591}{1148}e^{5} - \frac{39451}{2296}e^{3} - \frac{15935}{287}e$
7 $[7, 7, w - 7]$ $\phantom{-}1$
11 $[11, 11, w + 3]$ $-\frac{39}{2296}e^{7} - \frac{1591}{1148}e^{5} - \frac{39451}{2296}e^{3} - \frac{15648}{287}e$
11 $[11, 11, w + 8]$ $-\frac{3}{287}e^{7} - \frac{957}{1148}e^{5} - \frac{10483}{1148}e^{3} - \frac{6892}{287}e$
13 $[13, 13, w + 4]$ $\phantom{-}\frac{5}{574}e^{7} + \frac{409}{574}e^{5} + \frac{2582}{287}e^{3} + \frac{9160}{287}e$
13 $[13, 13, w + 9]$ $\phantom{-}\frac{19}{2296}e^{7} + \frac{773}{1148}e^{5} + \frac{2685}{328}e^{3} + \frac{6775}{287}e$
17 $[17, 17, -w - 5]$ $\phantom{-}\frac{1}{21}e^{6} + \frac{82}{21}e^{4} + \frac{1039}{21}e^{2} + \frac{3382}{21}$
17 $[17, 17, -w + 5]$ $-\frac{1}{42}e^{6} - \frac{79}{42}e^{4} - \frac{410}{21}e^{2} - \frac{992}{21}$
19 $[19, 19, w + 2]$ $\phantom{-}\frac{29}{3444}e^{7} + \frac{197}{287}e^{5} + \frac{29123}{3444}e^{3} + \frac{7570}{287}e$
19 $[19, 19, w + 17]$ $\phantom{-}\frac{59}{6888}e^{7} + \frac{803}{1148}e^{5} + \frac{60107}{6888}e^{3} + \frac{1195}{41}e$
25 $[25, 5, 5]$ $-2$
29 $[29, 29, w + 10]$ $\phantom{-}\frac{81}{2296}e^{7} + \frac{9869}{3444}e^{5} + \frac{79729}{2296}e^{3} + \frac{92024}{861}e$
29 $[29, 29, w + 19]$ $\phantom{-}\frac{33}{1148}e^{7} + \frac{7967}{3444}e^{5} + \frac{15311}{574}e^{3} + \frac{65756}{861}e$
41 $[41, 41, -w - 1]$ $\phantom{-}\frac{1}{28}e^{6} + \frac{83}{28}e^{4} + \frac{278}{7}e^{2} + \frac{962}{7}$
41 $[41, 41, w - 1]$ $\phantom{-}\frac{1}{14}e^{4} + \frac{73}{14}e^{2} + \frac{233}{7}$
47 $[47, 47, -2w + 11]$ $-\frac{1}{14}e^{6} - \frac{81}{14}e^{4} - 69e^{2} - \frac{1458}{7}$
47 $[47, 47, 4w - 25]$ $\phantom{-}\frac{1}{14}e^{6} + \frac{81}{14}e^{4} + 69e^{2} + \frac{1458}{7}$
53 $[53, 53, w + 25]$ $\phantom{-}\frac{3}{2296}e^{7} + \frac{323}{3444}e^{5} + \frac{827}{2296}e^{3} - \frac{1864}{861}e$
53 $[53, 53, w + 28]$ $\phantom{-}\frac{9}{1148}e^{7} + \frac{2225}{3444}e^{5} + \frac{2414}{287}e^{3} + \frac{24404}{861}e$
Display number of eigenvalues

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$7$ $[7, 7, w - 7]$ $-1$