Cremona's table of elliptic curves

72756 = 2² · 3² · 43 · 47

Class	r	Atkin-Lehner	Eigenvalues
72756a (2 curves)	1	2- 3+ 43- 47+	2- 3+  0  2  3 -4  0 -7
Curve Equation t Generators 72756a1 [0,0,0,-285,2677] 3 [9:29:1] 72756a2 [0,0,0,2295,-38259] 1 [3468:41615:27]
72756b (2 curves)	2	2- 3+ 43- 47-	2- 3+  0  2 -3 -4  0 -7
Curve Equation t Generators 72756b1 [0,0,0,255,1417] 3 [-3:25:1]&[8:63:1] 72756b2 [0,0,0,-2565,-72279] 1 [120:1161:1]&[77586:7640541:8]
72756c (1 curve)	1	2- 3- 43+ 47+	2- 3-  1  2  4  0 -5  1
Curve Equation t Generators 72756c1 [0,0,0,-192,997] 1 [-13:36:1]
72756d (1 curve)	2	2- 3- 43+ 47-	2- 3- -2 -2 -3 -2  0  7
Curve Equation t Generators 72756d1 [0,0,0,699,-8291] 1 [35:-243:1]&[20:117:1]
72756e (1 curve)	0	2- 3- 43+ 47-	2- 3-  3  1 -3 -4  4  8
Curve Equation t 72756e1 [0,0,0,-5280816,4670890292] 1
72756f (1 curve)	0	2- 3- 43+ 47-	2- 3- -3  4  6  2  7  5
Curve Equation t 72756f1 [0,0,0,-89184,9138989] 1
72756g (1 curve)	0	2- 3- 43- 47+	2- 3-  1 -4  6  6  3 -1
Curve Equation t 72756g1 [0,0,0,-72,-27] 1
72756h (1 curve)	0	2- 3- 43- 47+	2- 3-  4  2 -1  5  5  0
Curve Equation t 72756h1 [0,0,0,312,-19100] 1
72756i (1 curve)	1	2- 3- 43- 47-	2- 3- -1 -4  6  2  3 -5
Curve Equation t Generators 72756i1 [0,0,0,-4111608,2755670429] 1 [-701:72756:1]
72756j (2 curves)	1	2- 3- 43- 47-	2- 3- -3  2  0 -4  3 -1
Curve Equation t Generators 72756j1 [0,0,0,-12144,-515099] 1 [-46377:154:729] 72756j2 [0,0,0,-13584,-385319] 3 [-90:329:1]

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