Cremona's table of elliptic curves

9842 = 2 · 7 · 19 · 37

Class	r	Atkin-Lehner	Eigenvalues
9842a (1 curve)	1	2+ 7+ 19- 37-	2+  2  1 7+  5 -4 -4 19-
Curve Equation t Generators 9842a1 [1,1,0,-4091257,-3186879873] 1 [-400659:203160:343]
9842b (1 curve)	1	2+ 7+ 19- 37-	2+  2 -3 7+  1  0  4 19-
Curve Equation t Generators 9842b1 [1,1,0,-129,-619] 1 [-7:5:1]
9842c (1 curve)	1	2+ 7- 19+ 37-	2+ -2 -3 7-  2 -2  1 19+
Curve Equation t Generators 9842c1 [1,0,1,20,42] 1 [1:7:1]
9842d (3 curves)	2	2+ 7- 19- 37-	2+ -2 -3 7- -3 -4  0 19-
Curve Equation t Generators 9842d1 [1,0,1,-58850,5490030] 3 [70:1274:1]&[122:299:1] 9842d2 [1,0,1,-59055,5449802] 3 [-278:772:1]&[-186:3256:1] 9842d3 [1,0,1,-485110,-127395960] 1 [-432:1479:1]&[-356:643:1]
9842e (2 curves)	0	2- 7+ 19+ 37+	2-  0  0 7+  0  2  0 19+
Curve Equation t 9842e1 [1,-1,1,5,-37] 2 9842e2 [1,-1,1,-135,-541] 2
9842f (1 curve)	0	2- 7+ 19+ 37+	2- -2  3 7+  2  2  3 19+
Curve Equation t 9842f1 [1,0,0,-2869,105777] 1
9842g (1 curve)	1	2- 7+ 19+ 37-	2- -2 -1 7+  1  4  0 19+
Curve Equation t Generators 9842g1 [1,0,0,-693861,-218721023] 1 [-444:1591:1]
9842h (2 curves)	1	2- 7+ 19+ 37-	2- -2  2 7+  4 -2  0 19+
Curve Equation t Generators 9842h1 [1,0,0,28,172] 2 [28:138:1] 9842h2 [1,0,0,-342,2170] 2 [6:347:8]
9842i (1 curve)	0	2- 7+ 19- 37-	2-  0 -1 7+  1  4 -6 19-
Curve Equation t 9842i1 [1,-1,1,-583,3393] 1
9842j (1 curve)	2	2- 7- 19+ 37-	2- -2 -3 7- -5 -2 -4 19+
Curve Equation t Generators 9842j1 [1,0,0,-882,9604] 1 [-28:126:1]&[-26:136:1]
9842k (2 curves)	0	2- 7- 19- 37+	2-  0  4 7-  0 -6 -4 19-
Curve Equation t 9842k1 [1,-1,1,-7303,-240001] 2 9842k2 [1,-1,1,-117063,-15386881] 2
9842l (1 curve)	1	2- 7- 19- 37-	2-  0  1 7- -5 -2  6 19-
Curve Equation t Generators 9842l1 [1,-1,1,-802,8097] 1 [105:983:1]
9842m (1 curve)	1	2- 7- 19- 37-	2-  0 -3 7- -1  2 -2 19-
Curve Equation t Generators 9842m1 [1,-1,1,-10836394,13707634697] 1 [17879:-2361577:1]

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