Cremona's table of elliptic curves

16815 = 3 · 5 · 19 · 59

Class	r	Atkin-Lehner	Eigenvalues
16815a (1 curve)	0	3+ 5+ 19+ 59-	1 3+ 5+  1 -2 -1 -5 19+
Curve Equation t 16815a1 [1,1,0,-63368,-6166287] 1
16815b (1 curve)	1	3+ 5+ 19- 59-	1 3+ 5+  5 -2  3  3 19-
Curve Equation t Generators 16815b1 [1,1,0,-333,3078] 1 [-22:30:1]
16815c (2 curves)	1	3- 5+ 19- 59+	0 3- 5+ -1  0  5  0 19-
Curve Equation t Generators 16815c1 [0,1,1,109,701] 3 [-5:7:1] 16815c2 [0,1,1,-1031,-24550] 1 [378:1481:8]
16815d (1 curve)	2	3- 5- 19- 59+	0 3- 5- -5  0 -5 -8 19-
Curve Equation t Generators 16815d1 [0,1,1,-3109535,2265392339] 1 [-1709:50902:1]&[31656333081769:-815528131958633:18546494023]
16815e (4 curves)	0	3- 5- 19- 59+	-1 3- 5-  4  0  6  2 19-
Curve Equation t 16815e1 [1,0,0,-65,912] 4 16815e2 [1,0,0,-1870,30875] 4 16815e3 [1,0,0,-2725,-418] 2 16815e4 [1,0,0,-29895,1987020] 2
16815f (1 curve)	2	3- 5- 19- 59+	-2 3- 5- -3 -4 -7 -6 19-
Curve Equation t Generators 16815f1 [0,1,1,-420,3674] 1 [-5082:28246:343]&[-7:79:1]

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