Cremona's table of elliptic curves

Conductor 21385

21385 = 5 · 7 · 13 · 47



Isogeny classes of curves of conductor 21385 [newforms of level 21385]

Class r Atkin-Lehner Eigenvalues
21385a (2 curves) 0 5+ 7+ 13+ 47-  1 -2 5+ 7+  0 13+  6  4
21385b (2 curves) 0 5+ 7+ 13+ 47-  1 -2 5+ 7+ -2 13+  4  8
21385c (1 curve) 1 5+ 7+ 13- 47- -2  1 5+ 7+ -5 13- -3  4
21385d (1 curve) 1 5+ 7+ 13- 47- -2 -3 5+ 7+  3 13- -7  4
21385e (2 curves) 0 5+ 7- 13+ 47+  1  2 5+ 7- -2 13+  4 -4
21385f (2 curves) 0 5+ 7- 13+ 47+  1 -2 5+ 7- -2 13+  8  0
21385g (4 curves) 0 5+ 7- 13+ 47+ -1  0 5+ 7-  4 13+  6  4
21385h (2 curves) 1 5+ 7- 13+ 47- -1 -2 5+ 7-  2 13+  4  0
21385i (1 curve) 2 5- 7+ 13+ 47+  0 -1 5- 7+ -3 13+ -1  0
21385j (1 curve) 0 5- 7+ 13+ 47+  2  1 5- 7+ -1 13+  5 -4
21385k (1 curve) 0 5- 7+ 13+ 47+  2  1 5- 7+ -3 13+ -3  4
21385l (4 curves) 0 5- 7- 13- 47+ -1  0 5- 7-  0 13-  2  8
21385m (2 curves) 0 5- 7- 13- 47+ -1  2 5- 7- -2 13- -4 -4
21385n (2 curves) 1 5- 7- 13- 47-  0  1 5- 7-  3 13- -3 -4


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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