Cremona's table of elliptic curves

20440 = 2³ · 5 · 7 · 73

Class	r	Atkin-Lehner	Eigenvalues
20440a (1 curve)	1	2+ 5+ 7+ 73+	2+ -1 5+ 7+  2 -6 -4 -6
Curve Equation t Generators 20440a1 [0,-1,0,36329,2674460] 1 [-65:185:1]
20440b (1 curve)	2	2+ 5+ 7- 73+	2+ -1 5+ 7-  1 -5 -3 -4
Curve Equation t Generators 20440b1 [0,-1,0,-2721,57925] 1 [21:98:1]&[119648931:-197694658:4019679]
20440c (1 curve)	1	2+ 5- 7+ 73-	2+  1 5- 7+ -3  1  3 -2
Curve Equation t Generators 20440c1 [0,1,0,-37625,2796875] 1 [275:3650:1]
20440d (1 curve)	1	2+ 5- 7- 73+	2+ -1 5- 7- -6  6  0  2
Curve Equation t Generators 20440d1 [0,-1,0,-15,-20] 1 [7:13:1]
20440e (1 curve)	1	2+ 5- 7- 73+	2+  2 5- 7-  0  0  3 -7
Curve Equation t Generators 20440e1 [0,-1,0,10460520,-2737866100] 1 [605:61740:1]
20440f (1 curve)	0	2- 5+ 7+ 73+	2- -1 5+ 7+ -2  2 -4 -2
Curve Equation t 20440f1 [0,-1,0,-12871,-596704] 1
20440g (1 curve)	1	2- 5+ 7- 73+	2-  0 5+ 7- -2 -6 -3  5
Curve Equation t Generators 20440g1 [0,0,0,37,278] 1 [-2:14:1]
20440h (2 curves)	1	2- 5+ 7- 73+	2-  2 5+ 7- -2  6  2 -2
Curve Equation t Generators 20440h1 [0,-1,0,104,-804] 2 [178986:739392:12167] 20440h2 [0,-1,0,-896,-8404] 2 [3207:33580:27]
20440i (1 curve)	1	2- 5- 7+ 73+	2- -1 5- 7+  0  0  6 -2
Curve Equation t Generators 20440i1 [0,-1,0,-40,-388] 1 [14:40:1]

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

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