Properties

Label 2.2.305.1-4.1-i
Base field \(\Q(\sqrt{305}) \)
Weight $[2, 2]$
Level norm $4$
Level $[4, 2, 2]$
Dimension $16$
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: $[4, 2, 2]$
Dimension: $16$
CM: no
Base change: no
Newspace dimension: $44$

Hecke eigenvalues ($q$-expansion)

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

\(x^{16} + 71x^{14} + 1941x^{12} + 26193x^{10} + 189059x^{8} + 736981x^{6} + 1459396x^{4} + 1193728x^{2} + 147456\)

  Show full eigenvalues   Hide large eigenvalues

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

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$2$ $[2, 2, w]$ $-\frac{3586991}{156859865088}e^{15} - \frac{239222089}{156859865088}e^{13} - \frac{63856855}{1686665216}e^{11} - \frac{22942330293}{52286621696}e^{9} - \frac{392630598733}{156859865088}e^{7} - \frac{1072883097563}{156859865088}e^{5} - \frac{316740541103}{39214966272}e^{3} - \frac{559340627}{153183462}e$
$2$ $[2, 2, w + 1]$ $\frac{3586991}{156859865088}e^{15} + \frac{239222089}{156859865088}e^{13} + \frac{63856855}{1686665216}e^{11} + \frac{22942330293}{52286621696}e^{9} + \frac{392630598733}{156859865088}e^{7} + \frac{1072883097563}{156859865088}e^{5} + \frac{316740541103}{39214966272}e^{3} + \frac{559340627}{153183462}e$