William Stein's table of weight 2 newforms

Level 1988

1988 = 22 · 7 · 71

Galois conjugacy classes of newforms of level 1988 [elliptic curves of conductor 1988]

Class L Sign Degree Atkin-Lehner Traces of eigenvalues
1988A - 1 2- 7+ 71-   0   1   2  -1  -5  -3   2   0
1988B - 3 2- 7- 71+   0  -3   3   3   0  -6  -6  -3
1988C - 3 2- 7- 71+   0   1  -6   3  -5  -3   0  -2
1988D - 5 2- 7+ 71-   0  -3  -3  -5   6  -8  -6   1
1988F + 12 2- 7+ 71+   0   4   5 -12  -5  13   8  11
1988E + 12 2- 7- 71-   0   4   3  12   9  15   6   5

Data from The Modular Forms Database by William Stein.
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