William Stein's table of weight 2 newforms

Level 644

644 = 22 · 7 · 23

Galois conjugacy classes of newforms of level 644 [elliptic curves of conductor 644]

Class L Sign Degree Atkin-Lehner Traces of eigenvalues
644B - 1 2- 7+ 23-   0   1  -2  -1  -2  -1   0  -6
644A - 1 2- 7- 23+   0  -1   0   1  -2  -3   0   0
644D + 5 2- 7+ 23+   0   3   2  -5   2  13   4  12
644C + 5 2- 7- 23-   0   1   4   5   2   3   4   6

Data from The Modular Forms Database by William Stein.
Design inspired by The Modular Forms Explorer by William Stein.

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