Cremona's table of elliptic curves

Conductor 28840

28840 = 23 · 5 · 7 · 103



Isogeny classes of curves of conductor 28840 [newforms of level 28840]

Class r Atkin-Lehner Eigenvalues
28840a (1 curve) 0 2+ 5+ 7- 103+ 2+  1 5+ 7-  2 -6  6 -1
28840b (1 curve) 1 2+ 5+ 7- 103- 2+  1 5+ 7- -2  4 -4  1
28840c (1 curve) 1 2+ 5- 7+ 103- 2+  1 5- 7+  0 -5  4  0
28840d (1 curve) 1 2+ 5- 7- 103+ 2+  0 5- 7- -2 -3  3 -8
28840e (2 curves) 1 2- 5+ 7+ 103- 2-  0 5+ 7+ -4 -2  0 -4
28840f (1 curve) 1 2- 5+ 7+ 103- 2- -2 5+ 7+  3  1  8  6
28840g (1 curve) 1 2- 5- 7+ 103+ 2-  2 5- 7+  2  1 -5 -6
28840h (2 curves) 0 2- 5- 7- 103+ 2-  0 5- 7-  2  4 -6  2
28840i (1 curve) 0 2- 5- 7- 103+ 2-  3 5- 7-  2  4  0  5


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

Part of Computational Number Theory
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