Cremona's table of elliptic curves

81928 = 2³ · 7² · 11 · 19

Class	r	Atkin-Lehner	Eigenvalues
81928a (1 curve)	2	2+ 7+ 11+ 19-	2+  0 -1 7+ 11+ -2  3 19-
Curve Equation t Generators 81928a1 [0,0,0,1372,86436] 1 [98:-1078:1]&[18:342:1]
81928b (1 curve)	2	2+ 7- 11+ 19+	2+  0  1 7- 11+  2 -3 19+
Curve Equation t Generators 81928b1 [0,0,0,28,-252] 1 [8:22:1]&[18:78:1]
81928c (4 curves)	0	2+ 7- 11+ 19+	2+  0  2 7- 11+ -2 -2 19+
Curve Equation t 81928c1 [0,0,0,-3479,78890] 2 81928c2 [0,0,0,-4459,30870] 4 81928c3 [0,0,0,17101,242158] 2 81928c4 [0,0,0,-41699,-3253698] 2
81928d (1 curve)	1	2+ 7- 11+ 19-	2+  1  3 7- 11+  6  0 19-
Curve Equation t Generators 81928d1 [0,1,0,14831,-421037] 1 [51:686:1]
81928e (1 curve)	1	2+ 7- 11+ 19-	2+ -1 -2 7- 11+  1  7 19-
Curve Equation t Generators 81928e1 [0,-1,0,-254424,-49500212] 1 [23857730467566:1374294191677:40920960536]
81928f (1 curve)	1	2+ 7- 11+ 19-	2+ -1  3 7- 11+ -4  2 19-
Curve Equation t Generators 81928f1 [0,-1,0,-30249,2059597] 1 [-51:1862:1]
81928g (2 curves)	1	2+ 7- 11+ 19-	2+ -2  2 7- 11+ -2  6 19-
Curve Equation t Generators 81928g1 [0,1,0,-947,1882] 2 [-26:98:1] 81928g2 [0,1,0,3708,18640] 2 [303:5390:1]
81928h (2 curves)	1	2+ 7- 11- 19+	2+ -2  2 7- 11-  2 -2 19+
Curve Equation t Generators 81928h1 [0,1,0,-151867,-22987350] 2 [793:18865:1] 81928h2 [0,1,0,-2434532,-1462892432] 2 [2124:54340:1]
81928i (2 curves)	0	2+ 7- 11- 19-	2+  2  2 7- 11-  6  2 19-
Curve Equation t 81928i1 [0,-1,0,-947,-24520] 2 81928i2 [0,-1,0,-19812,-1065868] 2
81928j (1 curve)	1	2- 7+ 11+ 19-	2-  2  4 7+ 11+  2 -8 19-
Curve Equation t Generators 81928j1 [0,-1,0,-16,1548] 1 [117:1260:1]
81928k (1 curve)	1	2- 7+ 11+ 19-	2- -3  4 7+ 11+  3  8 19-
Curve Equation t Generators 81928k1 [0,0,0,-5289403,4682118070] 1 [12579270:96499955:10648]
81928l (1 curve)	1	2- 7+ 11- 19+	2-  2 -1 7+ 11-  2  3 19+
Curve Equation t Generators 81928l1 [0,-1,0,-3201,-111691] 1 [2361:14014:27]
81928m (4 curves)	1	2- 7- 11+ 19+	2-  0  2 7- 11+ -6 -2 19+
Curve Equation t Generators 81928m1 [0,0,0,-7154,102557] 2 [134:1245:1] 81928m2 [0,0,0,-95599,11370450] 4 [193:330:1] 81928m3 [0,0,0,-76979,15932350] 2 [-375:111320:27] 81928m4 [0,0,0,-1529339,727953702] 2 [22953:175420:27]
81928n (2 curves)	1	2- 7- 11+ 19+	2-  0 -4 7- 11+  4 -4 19+
Curve Equation t Generators 81928n1 [0,0,0,-287,-32830] 2 [49:266:1] 81928n2 [0,0,0,-17227,-862890] 2 [-77:84:1]
81928o (2 curves)	1	2- 7- 11+ 19+	2- -2  0 7- 11+ -2  2 19+
Curve Equation t Generators 81928o1 [0,1,0,-18372223,30303690066] 2 [315095:493247:125] 81928o2 [0,1,0,-17753108,32441617984] 2 [3642:126910:1]
81928p (1 curve)	1	2- 7- 11+ 19+	2- -2 -4 7- 11+ -2  8 19+
Curve Equation t Generators 81928p1 [0,1,0,-800,-529376] 1 [1631227:44417372:2197]
81928q (1 curve)	1	2- 7- 11+ 19+	2-  3 -4 7- 11+ -3 -8 19+
Curve Equation t Generators 81928q1 [0,0,0,-107947,-13650490] 1 [-48337086498:1736364286:253636137]
81928r (2 curves)	0	2- 7- 11+ 19-	2-  0  4 7- 11+ -4  4 19-
Curve Equation t 81928r1 [0,0,0,-14063,11260690] 2 81928r2 [0,0,0,-844123,295971270] 2
81928s (2 curves)	0	2- 7- 11+ 19-	2-  2  0 7- 11+  2 -2 19-
Curve Equation t 81928s1 [0,-1,0,-374943,-88241824] 2 81928s2 [0,-1,0,-362308,-94478460] 2
81928t (2 curves)	0	2- 7- 11- 19+	2-  0  0 7- 11- -2 -6 19+
Curve Equation t 81928t1 [0,0,0,-3430,50421] 2 81928t2 [0,0,0,-22295,-1243718] 2
81928u (2 curves)	2	2- 7- 11- 19+	2- -2 -2 7- 11- -4 -4 19+
Curve Equation t Generators 81928u1 [0,1,0,-45684,18046720] 2 [-78:-4598:1]&[-208:4312:1] 81928u2 [0,1,0,-1350064,601365456] 2 [-936:32340:1]&[296:15092:1]
81928v (2 curves)	1	2- 7- 11- 19-	2-  0  0 7- 11-  2  6 19-
Curve Equation t Generators 81928v1 [0,0,0,-70,-147] 2 [-3:6:1] 81928v2 [0,0,0,-455,3626] 2 [-5:76:1]
81928w (1 curve)	1	2- 7- 11- 19-	2- -2  1 7- 11- -2 -3 19-
Curve Equation t Generators 81928w1 [0,1,0,-65,307] 1 [-3:22:1]

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