Cremona's table of elliptic curves

2093 = 7 · 13 · 23

Class	r	Atkin-Lehner	Eigenvalues
2093a (1 curve)	0	7+ 13+ 23-	-2  3  3 7+  3 13+  4  5
Curve Equation t 2093a1 [0,0,1,-1531,-32312] 1
2093b (1 curve)	0	7+ 13- 23+	0  2 -4 7+ -5 13-  3 -4
Curve Equation t 2093b1 [0,-1,1,-3575,74692] 1
2093c (1 curve)	1	7+ 13- 23-	0 -1  1 7+  5 13- -6 -1
Curve Equation t Generators 2093c1 [0,-1,1,-5,9] 1 [-1:3:1]
2093d (2 curves)	0	7- 13+ 23+	-1  2  0 7- -4 13+  8  4
Curve Equation t 2093d1 [1,1,1,17,-20] 2 2093d2 [1,1,1,-98,-296] 2
2093e (1 curve)	1	7- 13+ 23-	-2 -1 -3 7-  1 13+  4 -5
Curve Equation t Generators 2093e1 [0,-1,1,-42,120] 1 [3:3:1]
2093f (3 curves)	1	7- 13- 23+	0  1  3 7- -3 13- -6 -7
Curve Equation t Generators 2093f1 [0,1,1,16211,856569] 3 [411:8781:1] 2093f2 [0,1,1,-159549,-38239046] 3 [9346:902723:1] 2093f3 [0,1,1,-14829659,-21985816061] 1 [18050244663030:1608233748263209:1860867000]
2093g (2 curves)	1	7- 13- 23+	0  1 -3 7-  3 13-  6 -1
Curve Equation t Generators 2093g1 [0,1,1,-43687,3500082] 3 [42:1319:1] 2093g2 [0,1,1,-41217,3915835] 1 [439:8403:1]
2093h (2 curves)	1	7- 13- 23+	0 -2  0 7- -3 13- -3  8
Curve Equation t Generators 2093h1 [0,1,1,-33,57] 3 [-1:9:1] 2093h2 [0,1,1,-553,-5182] 1 [-14:3:1]
2093i (1 curve)	1	7- 13- 23+	-2 -1  1 7- -3 13-  8 -1
Curve Equation t Generators 2093i1 [0,-1,1,0,-6] 1 [3:3:1]
2093j (1 curve)	0	7- 13- 23-	2  2  2 7-  3 13-  1 -4
Curve Equation t 2093j1 [0,-1,1,-182,-881] 1

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