Cremona's table of elliptic curves

438 = 2 · 3 · 73

Class	r	Atkin-Lehner	Eigenvalues
438c (2 curves)	1	2+ 3+ 73+	2+ 3+  0 -2  4 -6  0 -4
Curve Equation t Generators 438c1 [1,1,0,-5,-3] 2 [-2:3:1] 438c2 [1,1,0,-65,-231] 2 [-5:3:1]
438e (2 curves)	0	2+ 3- 73+	2+ 3-  2 -2  2  4  4 -4
Curve Equation t 438e1 [1,0,1,-130,-556] 2 438e2 [1,0,1,-2050,-35884] 2
438d (4 curves)	1	2+ 3- 73-	2+ 3-  0 -4 -6 -4 -6  8
Curve Equation t Generators 438d1 [1,0,1,-1946,32780] 6 [-24:268:1] 438d2 [1,0,1,-31106,2108972] 6 [192:1699:1] 438d3 [1,0,1,-9641,-337876] 2 [-66:142:1] 438d4 [1,0,1,-32681,1883180] 2 [156:688:1]
438g (2 curves)	1	2+ 3- 73-	2+ 3- -4  0  2  0 -6 -8
Curve Equation t Generators 438g1 [1,0,1,-8,2] 2 [0:1:1] 438g2 [1,0,1,-98,362] 2 [6:-2:1]
438f (4 curves)	1	2- 3+ 73-	2- 3+ -2 -4  0 -2 -6 -4
Curve Equation t Generators 438f1 [1,1,1,-19,17] 4 [-5:6:1] 438f2 [1,1,1,-99,-399] 4 [-7:6:1] 438f3 [1,1,1,-1559,-24343] 2 [159:1864:1] 438f4 [1,1,1,81,-1479] 4 [11:24:1]
438a (4 curves)	0	2- 3- 73-	2- 3-  0  2  0 -4  6 -4
Curve Equation t 438a1 [1,0,0,-938,-9564] 6 438a2 [1,0,0,1622,-52060] 6 438a3 [1,0,0,-72938,-7587996] 2 438a4 [1,0,0,-72898,-7596724] 2
438b (2 curves)	0	2- 3- 73-	2- 3-  0 -2  4  4 -2  4
Curve Equation t 438b1 [1,0,0,-13,-19] 2 438b2 [1,0,0,-3,-45] 2

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