Cremona's table of elliptic curves

47988 = 2² · 3² · 31 · 43

Class	r	Atkin-Lehner	Eigenvalues
47988a (1 curve)	1	2- 3+ 31+ 43-	2- 3+  1  3  3  5 -6 -5
Curve Equation t Generators 47988a1 [0,0,0,-18927,1376838] 1 [198:2322:1]
47988b (1 curve)	1	2- 3+ 31+ 43-	2- 3+ -1  3 -3  5  6 -5
Curve Equation t Generators 47988b1 [0,0,0,-2103,-50994] 1 [63:258:1]
47988c (1 curve)	1	2- 3- 31+ 43+	2- 3- -1  1 -2 -4  2  5
Curve Equation t Generators 47988c1 [0,0,0,87,-3719] 1 [53:387:1]
47988d (1 curve)	1	2- 3- 31+ 43+	2- 3- -1  3 -5 -5 -2 -1
Curve Equation t Generators 47988d1 [0,0,0,61377,1806806] 1 [-14:972:1]
47988e (1 curve)	0	2- 3- 31+ 43-	2- 3-  3  5  6  4  2  1
Curve Equation t 47988e1 [0,0,0,-984081,375746137] 1
47988f (1 curve)	2	2- 3- 31+ 43-	2- 3- -3 -3  0 -4  0 -3
Curve Equation t Generators 47988f1 [0,0,0,-1749,28181] 1 [29:-43:1]&[25:9:1]
47988g (1 curve)	2	2- 3- 31- 43+	2- 3- -2 -2 -5 -2 -3  0
Curve Equation t Generators 47988g1 [0,0,0,-201,1145] 1 [7:9:1]&[-7:47:1]
47988h (2 curves)	1	2- 3- 31- 43-	2- 3-  2  2 -4  6 -6 -2
Curve Equation t Generators 47988h1 [0,0,0,36,1053] 2 [8795:74152:125] 47988h2 [0,0,0,-1359,18630] 2 [-30:180:1]
47988i (1 curve)	1	2- 3- 31- 43-	2- 3-  2  4 -3  2 -5 -6
Curve Equation t Generators 47988i1 [0,0,0,-309,-9115] 1 [115:1215:1]

Data from Elliptic Curve Data by J. E. Cremona.
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