Properties

Label 2.2.305.1-9.1-a
Base field \(\Q(\sqrt{305}) \)
Weight $[2, 2]$
Level norm $9$
Level $[9, 3, 3]$
Dimension $1$
CM no
Base change no

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Base field \(\Q(\sqrt{305}) \)

Generator \(w\), with minimal polynomial \(x^{2} - x - 76\); narrow class number \(4\) and class number \(2\).

Form

Weight: $[2, 2]$
Level: $[9, 3, 3]$
Dimension: $1$
CM: no
Base change: no
Newspace dimension: $220$

Hecke eigenvalues ($q$-expansion)

The Hecke eigenvalue field is $\Q$.
Norm Prime Eigenvalue
2 $[2, 2, w]$ $\phantom{-}1$
2 $[2, 2, w + 1]$ $-1$
5 $[5, 5, -4w + 37]$ $-3$
7 $[7, 7, w + 2]$ $\phantom{-}3$
7 $[7, 7, w + 4]$ $-3$
9 $[9, 3, 3]$ $\phantom{-}1$
17 $[17, 17, w + 6]$ $-4$
17 $[17, 17, w + 10]$ $\phantom{-}4$
19 $[19, 19, -2w + 19]$ $\phantom{-}6$
19 $[19, 19, -2w - 17]$ $\phantom{-}6$
23 $[23, 23, w + 5]$ $\phantom{-}5$
23 $[23, 23, w + 17]$ $-5$
37 $[37, 37, w + 1]$ $-6$
37 $[37, 37, w + 35]$ $\phantom{-}6$
41 $[41, 41, -22w + 203]$ $-9$
41 $[41, 41, -6w + 55]$ $-9$
43 $[43, 43, w + 20]$ $-12$
43 $[43, 43, w + 22]$ $\phantom{-}12$
53 $[53, 53, w + 13]$ $\phantom{-}2$
53 $[53, 53, w + 39]$ $-2$
Display number of eigenvalues

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$9$ $[9, 3, 3]$ $-1$