William Stein's table of weight 2 newforms

Level 728

728 = 23 · 7 · 13

Galois conjugacy classes of newforms of level 728 [elliptic curves of conductor 728]

Class L Sign Degree Atkin-Lehner Traces of eigenvalues
728B + 1 2+ 7- 13+   0  -1   0   1   3  -1   4   2
728D + 1 2+ 7- 13+   0   2   3   1   0  -1  -2   5
728C - 1 2- 7+ 13-   0   0  -1  -1   2   1   0  -7
728A - 1 2- 7- 13+   0  -2  -1   1   4  -1  -6   1
728F - 2 2+ 7+ 13+   0  -2   0  -2  -2  -2   2   0
728G + 2 2+ 7+ 13-   0   1  -1  -2   5   2  -8  -1
728E - 2 2+ 7- 13-   0  -4  -2   2  -4   2   4 -10
728I + 4 2- 7+ 13+   0   1   2  -4  -1  -4  16 -10
728H + 4 2- 7- 13-   0   1   0   4   1   4   2   8

Data from The Modular Forms Database by William Stein.
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