William Stein's table of weight 2 newforms

Level 21

21 = 3 · 7



Galois conjugacy classes of newforms of level 21 [elliptic curves of conductor 21]

Class L Sign Degree Atkin-Lehner Traces of eigenvalues
21A + 1 3- 7+  -1   1  -2  -1   4  -2  -6   4


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

Part of Computational Number Theory
Back to Tables and computations