William Stein's table of weight 2 newforms

Level 221

221 = 13 · 17

Galois conjugacy classes of newforms of level 221 [elliptic curves of conductor 221]

Class L Sign Degree Atkin-Lehner Traces of eigenvalues
221A + 1 13+ 17-  -1   0   4  -2   6  -1   1   8
221B + 1 13+ 17-   1   2   2   2  -6  -1   1   4
221C - 2 13+ 17+  -1  -3   0  -1  -3  -2  -2  -7
221D + 2 13+ 17-  -1   1  -2  -5   3  -2   2   5
221E + 2 13+ 17-   0   2  -2   4   4  -2   2   4
221F - 3 13- 17-   0  -3  -2  -9  -7   3   3 -17
221G + 6 13- 17+   1   1  -2   7  -1   6  -6  23

Data from The Modular Forms Database by William Stein.
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