Cremona's table of elliptic curves

21080 = 2³ · 5 · 17 · 31

Class	r	Atkin-Lehner	Eigenvalues
21080a (1 curve)	0	2+ 5+ 17+ 31-	2+ -1 5+  0  0  5 17+ -6
Curve Equation t 21080a1 [0,-1,0,-23976,1383196] 1
21080b (1 curve)	0	2+ 5+ 17+ 31-	2+  2 5+  3  3  5 17+  3
Curve Equation t 21080b1 [0,-1,0,9,-4] 1
21080c (1 curve)	0	2+ 5+ 17+ 31-	2+  3 5+  4 -4 -3 17+  2
Curve Equation t 21080c1 [0,0,0,-420883,104435582] 1
21080d (1 curve)	2	2+ 5+ 17- 31+	2+ -1 5+ -2 -3 -2 17-  0
Curve Equation t Generators 21080d1 [0,-1,0,84,205] 1 [18:-85:1]&[34:203:1]
21080e (1 curve)	1	2+ 5- 17+ 31-	2+  0 5-  1 -1  3 17+ -1
Curve Equation t Generators 21080e1 [0,0,0,-484607,-140965806] 1 [998:19220:1]
21080f (1 curve)	1	2- 5+ 17+ 31-	2-  0 5+ -3 -1 -1 17+  1
Curve Equation t Generators 21080f1 [0,0,0,-1238,-16787] 1 [78:601:1]
21080g (1 curve)	1	2- 5+ 17- 31+	2- -1 5+ -4  0  3 17-  2
Curve Equation t Generators 21080g1 [0,-1,0,-256,-1444] 1 [-10:4:1]
21080h (1 curve)	2	2- 5+ 17- 31-	2-  0 5+ -1 -5  1 17- -5
Curve Equation t Generators 21080h1 [0,0,0,-23,58] 1 [-3:10:1]&[1:6:1]
21080i (1 curve)	1	2- 5- 17+ 31+	2-  2 5- -3  5 -3 17+ -5
Curve Equation t Generators 21080i1 [0,-1,0,-14575,682152] 1 [69:15:1]
21080j (1 curve)	0	2- 5- 17- 31+	2- -1 5-  2 -3  6 17- -8
Curve Equation t 21080j1 [0,-1,0,8240,589025] 1

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

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