Properties

Label 2.2.85.1-7.1-a
Base field \(\Q(\sqrt{85}) \)
Weight $[2, 2]$
Level norm $7$
Level $[7, 7, w]$
Dimension $5$
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: $[7, 7, w]$
Dimension: $5$
CM: no
Base change: no
Newspace dimension: $18$

Hecke eigenvalues ($q$-expansion)

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

\(x^{5} - 2x^{4} - 12x^{3} + 13x^{2} + 37x + 16\)

  Show full eigenvalues   Hide large eigenvalues

Norm Prime Eigenvalue
3 $[3, 3, w]$ $\phantom{-}e^{3} - 9e - 4$
3 $[3, 3, w + 2]$ $\phantom{-}e$
4 $[4, 2, 2]$ $-e^{4} + 3e^{3} + 10e^{2} - 23e - 23$
5 $[5, 5, w + 2]$ $\phantom{-}2e^{3} + e^{2} - 18e - 14$
7 $[7, 7, w]$ $-1$
7 $[7, 7, w + 6]$ $-e^{4} + e^{3} + 10e^{2} - 6e - 12$
17 $[17, 17, w + 8]$ $-2e^{3} - e^{2} + 18e + 18$
19 $[19, 19, w + 1]$ $\phantom{-}3e^{4} - 6e^{3} - 28e^{2} + 41e + 44$
19 $[19, 19, w - 2]$ $\phantom{-}2e^{3} + e^{2} - 17e - 20$
23 $[23, 23, w + 9]$ $-2e^{4} + 17e^{2} + 8e$
23 $[23, 23, w + 13]$ $-2e^{3} + 16e + 12$
37 $[37, 37, w + 11]$ $\phantom{-}e^{4} + e^{3} - 9e^{2} - 11e - 2$
37 $[37, 37, w + 25]$ $\phantom{-}3e^{4} - 8e^{3} - 28e^{2} + 56e + 54$
59 $[59, 59, 3w + 10]$ $-5e^{3} - e^{2} + 42e + 28$
59 $[59, 59, 3w - 13]$ $\phantom{-}e^{4} - 4e^{3} - 11e^{2} + 33e + 36$
73 $[73, 73, w + 15]$ $-2e^{3} - e^{2} + 20e + 14$
73 $[73, 73, w + 57]$ $-e^{4} + 9e^{2} + 4e + 6$
89 $[89, 89, -w - 10]$ $-4e^{4} + 9e^{3} + 38e^{2} - 63e - 70$
89 $[89, 89, w - 11]$ $-5e^{4} + 3e^{3} + 46e^{2} - 10e - 30$
97 $[97, 97, w + 22]$ $\phantom{-}11e^{3} + 3e^{2} - 95e - 70$
Display number of eigenvalues

Atkin-Lehner eigenvalues

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