Cremona's table of elliptic curves

7980 = 2² · 3 · 5 · 7 · 19

Class	r	Atkin-Lehner	Eigenvalues
7980a (2 curves)	1	2- 3+ 5- 7+ 19+	2- 3+ 5- 7+ -6  2  2 19+
Curve Equation t Generators 7980a1 [0,-1,0,315,7350] 2 [5:95:1] 7980a2 [0,-1,0,-4340,102312] 2 [14:210:1]
7980b (1 curve)	0	2- 3+ 5- 7+ 19-	2- 3+ 5- 7+  0  0 -4 19-
Curve Equation t 7980b1 [0,-1,0,-30485,-2056383] 1
7980c (2 curves)	1	2- 3- 5+ 7+ 19+	2- 3- 5+ 7+  0  0  2 19+
Curve Equation t Generators 7980c1 [0,1,0,-1,440] 2 [-1:21:1] 7980c2 [0,1,0,-876,9540] 2 [72:570:1]
7980d (4 curves)	1	2- 3- 5+ 7- 19-	2- 3- 5+ 7-  0 -4 -6 19-
Curve Equation t Generators 7980d1 [0,1,0,1759,192720] 6 [-41:231:1] 7980d2 [0,1,0,-41116,3039620] 6 [-148:2430:1] 7980d3 [0,1,0,-15881,-5291556] 2 [316:4620:1] 7980d4 [0,1,0,-562756,-161916556] 2 [-421:750:1]
7980e (1 curve)	0	2- 3- 5- 7+ 19+	2- 3- 5- 7+  4  0  8 19+
Curve Equation t 7980e1 [0,1,0,-5,-105] 1
7980f (2 curves)	0	2- 3- 5- 7+ 19+	2- 3- 5- 7+ -4  4 -2 19+
Curve Equation t 7980f1 [0,1,0,-2345,-78900] 2 7980f2 [0,1,0,-45220,-3714700] 2

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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