Properties

Label 2.2.357.1-4.1-j
Base field \(\Q(\sqrt{357}) \)
Weight $[2, 2]$
Level norm $4$
Level $[4, 2, 2]$
Dimension $8$
CM no
Base change no

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Base field \(\Q(\sqrt{357}) \)

Generator \(w\), with minimal polynomial \(x^{2} - x - 89\); narrow class number \(4\) and class number \(2\).

Form

Weight: $[2, 2]$
Level: $[4, 2, 2]$
Dimension: $8$
CM: no
Base change: no
Newspace dimension: $60$

Hecke eigenvalues ($q$-expansion)

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

\(x^{8} + 96x^{6} + 2048x^{4} + 12288x^{2} + 16384\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
3 $[3, 3, w + 1]$ $\phantom{-}\frac{1}{512}e^{5} + \frac{5}{32}e^{3} + \frac{7}{4}e$
4 $[4, 2, 2]$ $\phantom{-}1$
7 $[7, 7, w + 3]$ $\phantom{-}\frac{1}{256}e^{5} + \frac{5}{16}e^{3} + \frac{7}{2}e$
11 $[11, 11, w + 3]$ $-\frac{1}{512}e^{5} - \frac{5}{32}e^{3} - \frac{3}{4}e$
11 $[11, 11, w + 7]$ $-\frac{3}{2048}e^{7} - \frac{69}{512}e^{5} - \frac{79}{32}e^{3} - \frac{35}{4}e$
17 $[17, 17, w + 8]$ $-\frac{1}{512}e^{6} - \frac{11}{64}e^{4} - \frac{11}{4}e^{2} - 8$
23 $[23, 23, w + 4]$ $\phantom{-}\frac{3}{4096}e^{7} + \frac{17}{256}e^{5} + \frac{37}{32}e^{3} + 4e$
23 $[23, 23, w + 18]$ $-\frac{3}{4096}e^{7} - \frac{17}{256}e^{5} - \frac{37}{32}e^{3} - 4e$
25 $[25, 5, 5]$ $-2$
29 $[29, 29, w + 1]$ $\phantom{-}\frac{1}{512}e^{5} + \frac{5}{32}e^{3} + \frac{3}{4}e$
29 $[29, 29, w + 27]$ $\phantom{-}\frac{3}{2048}e^{7} + \frac{69}{512}e^{5} + \frac{79}{32}e^{3} + \frac{35}{4}e$
31 $[31, 31, w + 13]$ $\phantom{-}\frac{1}{256}e^{5} + \frac{5}{16}e^{3} + \frac{7}{2}e$
31 $[31, 31, w + 17]$ $\phantom{-}\frac{1}{256}e^{5} + \frac{5}{16}e^{3} + \frac{7}{2}e$
43 $[43, 43, -w - 11]$ $\phantom{-}4$
43 $[43, 43, w - 12]$ $\phantom{-}4$
47 $[47, 47, -w - 6]$ $-\frac{1}{512}e^{6} - \frac{5}{32}e^{4} - \frac{7}{4}e^{2} - 4$
47 $[47, 47, w - 7]$ $-\frac{3}{512}e^{6} - \frac{17}{32}e^{4} - \frac{37}{4}e^{2} - 28$
59 $[59, 59, -w - 5]$ $-\frac{1}{1024}e^{6} - \frac{3}{32}e^{4} - \frac{15}{8}e^{2} - 6$
59 $[59, 59, w - 6]$ $\phantom{-}\frac{1}{1024}e^{6} + \frac{3}{32}e^{4} + \frac{15}{8}e^{2} + 6$
61 $[61, 61, w + 16]$ $-\frac{1}{4096}e^{7} - \frac{11}{512}e^{5} - \frac{3}{8}e^{3} - \frac{11}{4}e$
Display number of eigenvalues

Atkin-Lehner eigenvalues

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