Cremona's table of elliptic curves

19975 = 5² · 17 · 47

Class	r	Atkin-Lehner	Eigenvalues
19975a (2 curves)	1	5+ 17+ 47+	1 -2 5+  2  0  6 17+ -4
Curve Equation t Generators 19975a1 [1,0,1,-2951,58173] 2 [-27:357:1] 19975a2 [1,0,1,-8826,-247327] 2 [-23224:136959:512]
19975b (1 curve)	1	5+ 17+ 47+	2 -3 5+  4 -4  1 17+  4
Curve Equation t Generators 19975b1 [0,0,1,-175,-969] 1 [130:171:8]
19975c (2 curves)	0	5+ 17+ 47-	1 -2 5+  2  0 -2 17+  4
Curve Equation t 19975c1 [1,0,1,-401,2823] 2 19975c2 [1,0,1,-6276,190823] 2
19975d (1 curve)	0	5+ 17+ 47-	-1  3 5+ -3 -3 -7 17+  5
Curve Equation t 19975d1 [1,-1,1,-25928843505,1606867755834622] 1
19975e (1 curve)	0	5+ 17+ 47-	2  1 5+ -4 -4 -5 17+  0
Curve Equation t 19975e1 [0,1,1,-2158,-449031] 1
19975f (1 curve)	0	5+ 17- 47+	0  0 5+  0  0  1 17-  4
Curve Equation t 19975f1 [0,0,1,2200,-191844] 1
19975g (1 curve)	2	5+ 17- 47+	-1 -1 5+ -3  0 -5 17-  4
Curve Equation t Generators 19975g1 [1,1,1,-1883,30666] 1 [-14:240:1]&[19:37:1]
19975h (1 curve)	2	5+ 17- 47+	-1 -1 5+ -3 -3  1 17- -5
Curve Equation t Generators 19975h1 [1,1,1,-438,-3344] 1 [-11:22:1]&[-10:17:1]
19975i (1 curve)	1	5- 17+ 47-	1  1 5-  3  0  5 17+  4
Curve Equation t Generators 19975i1 [1,0,1,-47076,3927423] 1 [141:242:1]

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