Cremona's table of elliptic curves

98980 = 2² · 5 · 7² · 101

Class	r	Atkin-Lehner	Eigenvalues
98980a (2 curves)	0	2- 5+ 7- 101-	2-  0 5+ 7- -6 -2  6  4
Curve Equation t 98980a1 [0,0,0,-1568,-23667] 2 98980a2 [0,0,0,-343,-59682] 2
98980b (2 curves)	2	2- 5+ 7- 101-	2- -1 5+ 7-  0 -2 -6 -2
Curve Equation t Generators 98980b1 [0,-1,0,-5161,-260014] 1 [91:125:1]&[341:6125:1] 98980b2 [0,-1,0,43839,5085886] 1 [306:6860:1]&[1678:69286:1]
98980c (2 curves)	0	2- 5+ 7- 101-	2-  2 5+ 7-  2  2  2 -8
Curve Equation t 98980c1 [0,-1,0,-1241,-2470] 2 98980c2 [0,-1,0,4884,-24520] 2
98980d (2 curves)	0	2- 5- 7- 101+	2-  0 5- 7-  4 -6 -2  0
Curve Equation t 98980d1 [0,0,0,-105722792,374647686301] 2 98980d2 [0,0,0,146700953,1891058092014] 2
98980e (1 curve)	1	2- 5- 7- 101-	2-  1 5- 7-  1  5 -1 -6
Curve Equation t Generators 98980e1 [0,1,0,-69645,7094975] 1 [130:505:1]
98980f (1 curve)	1	2- 5- 7- 101-	2-  1 5- 7- -4 -2  6  2
Curve Equation t Generators 98980f1 [0,1,0,-65,-8800] 1 [23:49:1]

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