Properties

Label 2.2.393.1-9.1-h
Base field \(\Q(\sqrt{393}) \)
Weight $[2, 2]$
Level norm $9$
Level $[9, 3, 3]$
Dimension $20$
CM no
Base change no

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Base field \(\Q(\sqrt{393}) \)

Generator \(w\), with minimal polynomial \(x^{2} - x - 98\); narrow class number \(2\) and class number \(1\).

Form

Weight: $[2, 2]$
Level: $[9, 3, 3]$
Dimension: $20$
CM: no
Base change: no
Newspace dimension: $104$

Hecke eigenvalues ($q$-expansion)

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

\(x^{20} - 29x^{18} + 347x^{16} - 2225x^{14} + 8342x^{12} - 18815x^{10} + 25408x^{8} - 19951x^{6} + 8687x^{4} - 1926x^{2} + 169\)

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Norm Prime Eigenvalue
2 $[2, 2, -17w - 160]$ $...$
2 $[2, 2, -17w + 177]$ $\phantom{-}e$
3 $[3, 3, -842w + 8767]$ $\phantom{-}0$
7 $[7, 7, -2w + 21]$ $-\frac{6065}{29858}e^{18} + \frac{87040}{14929}e^{16} - \frac{2054741}{29858}e^{14} + \frac{6467391}{14929}e^{12} - \frac{23638091}{14929}e^{10} + \frac{102811867}{29858}e^{8} - \frac{131280445}{29858}e^{6} + \frac{46846808}{14929}e^{4} - \frac{33840067}{29858}e^{2} + \frac{4654925}{29858}$
7 $[7, 7, 2w + 19]$ $...$
13 $[13, 13, -12w - 113]$ $...$
13 $[13, 13, 12w - 125]$ $...$
17 $[17, 17, 182w - 1895]$ $...$
17 $[17, 17, 182w + 1713]$ $...$
23 $[23, 23, -512w - 4819]$ $...$
23 $[23, 23, 512w - 5331]$ $...$
25 $[25, 5, -5]$ $...$
29 $[29, 29, 22w - 229]$ $...$
29 $[29, 29, 22w + 207]$ $...$
43 $[43, 43, 114w + 1073]$ $...$
43 $[43, 43, 114w - 1187]$ $...$
47 $[47, 47, 8w - 83]$ $...$
47 $[47, 47, -8w - 75]$ $...$
61 $[61, 61, -1172w - 11031]$ $...$
61 $[61, 61, 1172w - 12203]$ $...$
Display number of eigenvalues

Atkin-Lehner eigenvalues

Norm Prime Eigenvalue
$3$ $[3, 3, -842w + 8767]$ $-1$