Cremona's table of elliptic curves

98686 = 2 · 7² · 19 · 53

Class	r	Atkin-Lehner	Eigenvalues
98686a (1 curve)	1	2+ 7+ 19- 53-	2+  2 -2 7+  5 -1 -7 19-
Curve Equation t Generators 98686a1 [1,1,0,-1936,-8196] 1 [-6:60:1]
98686b (1 curve)	0	2+ 7- 19+ 53+	2+ -2 -1 7-  5 -6 -1 19+
Curve Equation t 98686b1 [1,0,1,-506294,526355400] 1
98686c (1 curve)	0	2+ 7- 19+ 53+	2+ -2 -2 7-  2 -1 -5 19+
Curve Equation t 98686c1 [1,0,1,16438,-389700] 1
98686d (1 curve)	0	2+ 7- 19+ 53+	2+ -2  3 7- -3 -6 -5 19+
Curve Equation t 98686d1 [1,0,1,-8561992,-9644282658] 1
98686e (2 curves)	1	2+ 7- 19+ 53-	2+  0  2 7-  0 -2  0 19+
Curve Equation t Generators 98686e1 [1,-1,0,-296,832] 2 [79:643:1] 98686e2 [1,-1,0,-2536,-48000] 2 [88:592:1]
98686f (1 curve)	1	2+ 7- 19+ 53-	2+  2  3 7-  1  0 -3 19+
Curve Equation t Generators 98686f1 [1,1,0,-956,-62782] 1 [8126:254951:8]
98686g (1 curve)	1	2+ 7- 19+ 53-	2+ -2  2 7-  5  1  7 19+
Curve Equation t Generators 98686g1 [1,0,1,-40,18] 1 [-2:10:1]
98686h (2 curves)	0	2+ 7- 19- 53-	2+  0  2 7- -4  0 -2 19-
Curve Equation t 98686h1 [1,-1,0,80513930404,-3887976072238000] 2 98686h2 [1,-1,0,-355190369116,-32557057558074288] 2
98686i (2 curves)	2	2+ 7- 19- 53-	2+  0 -2 7-  0  2  0 19-
Curve Equation t Generators 98686i1 [1,-1,0,-14513,-256355] 2 [-29:388:1]&[466:9463:1] 98686i2 [1,-1,0,-124273,16712541] 2 [-31:4547:1]&[178:367:1]
98686j (2 curves)	1	2- 7- 19+ 53+	2-  0 -2 7-  4 -4  6 19+
Curve Equation t Generators 98686j1 [1,-1,1,-108226,14841537] 2 [9:3719:1] 98686j2 [1,-1,1,-1770306,907046081] 2 [681:3775:1]
98686k (1 curve)	0	2- 7- 19+ 53-	2-  2  1 7- -3  6  3 19+
Curve Equation t 98686k1 [1,1,1,-103930,-13020281] 1
98686l (1 curve)	0	2- 7- 19+ 53-	2- -2 -2 7- -2 -3 -5 19+
Curve Equation t 98686l1 [1,0,0,-589,-5601] 1
98686m (1 curve)	0	2- 7- 19- 53+	2-  3  2 7- -4 -1 -6 19-
Curve Equation t 98686m1 [1,-1,1,-30414,2049793] 1

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