Cremona's table of elliptic curves

30685 = 5 · 17 · 19²

Class	r	Atkin-Lehner	Eigenvalues
30685a (2 curves)	1	5+ 17- 19-	-1 -2 5+ -2  2 -2 17- 19-
Curve Equation t Generators 30685a1 [1,0,0,-3076,65055] 2 [49:-205:1] 30685a2 [1,0,0,-1271,141226] 2 [30:-376:1]
30685b (2 curves)	0	5- 17+ 19+	0  1 5- -1  0 -4 17+ 19+
Curve Equation t 30685b1 [0,1,1,-9145,169506] 3 30685b2 [0,1,1,-352095,-80526629] 1
30685c (1 curve)	0	5- 17+ 19+	0  2 5- -2  1  4 17+ 19+
Curve Equation t 30685c1 [0,-1,1,-9145,-234667] 1
30685d (1 curve)	1	5- 17+ 19-	0  1 5-  4 -2  2 17+ 19-
Curve Equation t Generators 30685d1 [0,1,1,-110225,14528281] 1 [215:902:1]
30685e (2 curves)	1	5- 17+ 19-	0 -1 5- -1  0  4 17+ 19-
Curve Equation t Generators 30685e1 [0,-1,1,-25,-17] 1 [-1:2:1] 30685e2 [0,-1,1,-975,12048] 1 [18:2:1]
30685f (1 curve)	1	5- 17+ 19-	0 -2 5- -2  1 -4 17+ 19-
Curve Equation t Generators 30685f1 [0,1,1,-25,26] 1 [-2:8:1]
30685g (2 curves)	1	5- 17+ 19-	1  2 5- -4 -4  6 17+ 19-
Curve Equation t Generators 30685g1 [1,1,0,-77622,-8331169] 2 [9714:82523:27] 30685g2 [1,1,0,-43327,-15690876] 2 [588:12456:1]
30685h (1 curve)	0	5- 17- 19-	2 -1 5- -2  2  2 17- 19-
Curve Equation t 30685h1 [0,-1,1,-120,-29619] 1

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