Cremona's table of elliptic curves

6840 = 2³ · 3² · 5 · 19

Class	r	Atkin-Lehner	Eigenvalues
6840a (2 curves)	1	2+ 3+ 5+ 19+	2+ 3+ 5+  0 -2  0  0 19+
Curve Equation t Generators 6840a1 [0,0,0,-11883,498582] 2 [31:400:1] 6840a2 [0,0,0,-12003,487998] 2 [102:570:1]
6840b (2 curves)	0	2+ 3+ 5- 19+	2+ 3+ 5- -2  2  0 -6 19+
Curve Equation t 6840b1 [0,0,0,2133,-4358826] 2 6840b2 [0,0,0,-387747,-91146114] 2
6840c (2 curves)	0	2+ 3+ 5- 19+	2+ 3+ 5-  4 -2 -4  4 19+
Curve Equation t 6840c1 [0,0,0,-4347,110214] 2 6840c2 [0,0,0,-5427,51246] 2
6840d (4 curves)	0	2+ 3- 5+ 19+	2+ 3- 5+  0  4 -6  6 19+
Curve Equation t 6840d1 [0,0,0,-18,-567] 2 6840d2 [0,0,0,-1143,-14742] 4 6840d3 [0,0,0,-18243,-948402] 2 6840d4 [0,0,0,-2043,11718] 2
6840e (6 curves)	0	2+ 3- 5+ 19+	2+ 3- 5+  0 -4 -2 -2 19+
Curve Equation t 6840e1 [0,0,0,2742,114793] 2 6840e2 [0,0,0,-25383,1335418] 4 6840e3 [0,0,0,-110883,-12908882] 2 6840e4 [0,0,0,-389883,93699718] 4 6840e5 [0,0,0,-6238083,5996872798] 2 6840e6 [0,0,0,-373683,101841838] 2
6840f (4 curves)	0	2+ 3- 5+ 19+	2+ 3- 5+  4  0  2 -2 19+
Curve Equation t 6840f1 [0,0,0,-858,9673] 2 6840f2 [0,0,0,-903,8602] 4 6840f3 [0,0,0,-4323,-101522] 2 6840f4 [0,0,0,1797,50182] 2
6840g (2 curves)	1	2+ 3- 5+ 19-	2+ 3- 5+  2  0 -2 -4 19-
Curve Equation t Generators 6840g1 [0,0,0,125637,-14033338] 2 [20241161:438899616:103823] 6840g2 [0,0,0,-661683,-127564882] 2 [58658:4990977:8]
6840h (2 curves)	1	2+ 3- 5+ 19-	2+ 3- 5+  2 -6  4  2 19-
Curve Equation t Generators 6840h1 [0,0,0,-183,1802] 2 [2:38:1] 6840h2 [0,0,0,-3603,83198] 2 [31:36:1]
6840i (2 curves)	0	2+ 3- 5- 19-	2+ 3- 5- -2  4 -2  0 19-
Curve Equation t 6840i1 [0,0,0,213,214] 2 6840i2 [0,0,0,-867,1726] 2
6840j (2 curves)	0	2- 3+ 5+ 19+	2- 3+ 5+ -2 -2  0  6 19+
Curve Equation t 6840j1 [0,0,0,237,161438] 2 6840j2 [0,0,0,-43083,3375782] 2
6840k (2 curves)	0	2- 3+ 5+ 19+	2- 3+ 5+  4  2 -4 -4 19+
Curve Equation t 6840k1 [0,0,0,-483,-4082] 2 6840k2 [0,0,0,-603,-1898] 2
6840l (2 curves)	1	2- 3+ 5- 19+	2- 3+ 5-  0  2  0  0 19+
Curve Equation t Generators 6840l1 [0,0,0,-106947,-13461714] 2 [3267:185760:1] 6840l2 [0,0,0,-108027,-13175946] 2 [-162:270:1]
6840m (4 curves)	1	2- 3- 5+ 19+	2- 3- 5+  0 -4  2 -6 19+
Curve Equation t Generators 6840m1 [0,0,0,177,-1582] 2 [13:54:1] 6840m2 [0,0,0,-1443,-17458] 4 [67:432:1] 6840m3 [0,0,0,-21963,-1252762] 2 [238:2646:1] 6840m4 [0,0,0,-6843,201782] 2 [626:3051:8]
6840n (1 curve)	1	2- 3- 5+ 19+	2- 3- 5+ -1 -4  1  7 19+
Curve Equation t Generators 6840n1 [0,0,0,-603,-25002] 1 [154:1880:1]
6840o (2 curves)	1	2- 3- 5+ 19+	2- 3- 5+ -2  2 -4  2 19+
Curve Equation t Generators 6840o1 [0,0,0,177,4498] 2 [-7:54:1] 6840o2 [0,0,0,-3243,66742] 2 [11:180:1]
6840p (2 curves)	1	2- 3- 5+ 19+	2- 3- 5+  4  4  0 -6 19+
Curve Equation t Generators 6840p1 [0,0,0,42,-43] 2 [2:7:1] 6840p2 [0,0,0,-183,-358] 2 [-11:18:1]
6840q (2 curves)	1	2- 3- 5+ 19+	2- 3- 5+  4 -4 -4  2 19+
Curve Equation t Generators 6840q1 [0,0,0,-234318,43693117] 2 [282:203:1] 6840q2 [0,0,0,-3749943,2795021242] 2 [1109:522:1]
6840r (4 curves)	0	2- 3- 5+ 19-	2- 3- 5+  0  0 -2  6 19-
Curve Equation t 6840r1 [0,0,0,-858,-18907] 4 6840r2 [0,0,0,-17103,-860398] 4 6840r3 [0,0,0,-273603,-55084498] 2 6840r4 [0,0,0,-20523,-491722] 2
6840s (2 curves)	0	2- 3- 5+ 19-	2- 3- 5+  0  4  4  2 19-
Curve Equation t 6840s1 [0,0,0,-318,-1883] 2 6840s2 [0,0,0,537,-10262] 2
6840t (4 curves)	0	2- 3- 5+ 19-	2- 3- 5+  4  4  2  6 19-
Curve Equation t 6840t1 [0,0,0,-2298,-19307] 2 6840t2 [0,0,0,-18543,958642] 4 6840t3 [0,0,0,-295563,61847638] 2 6840t4 [0,0,0,-1443,2658382] 2
6840u (4 curves)	1	2- 3- 5- 19-	2- 3- 5-  0  4 -2  2 19-
Curve Equation t Generators 6840u1 [0,0,0,5793,401506] 4 [-43:270:1] 6840u2 [0,0,0,-59187,4859134] 4 [83:720:1] 6840u3 [0,0,0,-243867,-41421674] 2 [2142:96250:1] 6840u4 [0,0,0,-914187,336428134] 2 [558:230:1]

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