Cremona's table of elliptic curves

19380 = 2² · 3 · 5 · 17 · 19

Class	r	Atkin-Lehner	Eigenvalues
19380a (2 curves)	0	2- 3+ 5+ 17+ 19+	2- 3+ 5+  2 -4 -4 17+ 19+
Curve Equation t 19380a1 [0,-1,0,-2709381,-1715634450] 2 19380a2 [0,-1,0,-2709476,-1715508024] 2
19380b (2 curves)	2	2- 3+ 5+ 17+ 19+	2- 3+ 5+ -4 -2  0 17+ 19+
Curve Equation t Generators 19380b1 [0,-1,0,-261,1710] 2 [-15:45:1]&[-9:57:1] 19380b2 [0,-1,0,-356,456] 2 [-14:50:1]&[-10:54:1]
19380c (2 curves)	0	2- 3+ 5+ 17+ 19+	2- 3+ 5+ -4  6  4 17+ 19+
Curve Equation t 19380c1 [0,-1,0,-1436661,663268986] 2 19380c2 [0,-1,0,-1470956,629975400] 2
19380d (2 curves)	1	2- 3+ 5+ 17+ 19-	2- 3+ 5+  0 -2  4 17+ 19-
Curve Equation t Generators 19380d1 [0,-1,0,-1221,-8730] 2 [-11:57:1] 19380d2 [0,-1,0,-8916,320616] 2 [78:306:1]
19380e (2 curves)	1	2- 3+ 5+ 17+ 19-	2- 3+ 5+  4  2  0 17+ 19-
Curve Equation t Generators 19380e1 [0,-1,0,-541,4186] 2 [210:532:27] 19380e2 [0,-1,0,-8236,290440] 2 [73:270:1]
19380f (2 curves)	1	2- 3+ 5+ 17- 19+	2- 3+ 5+ -2 -4 -2 17- 19+
Curve Equation t Generators 19380f1 [0,-1,0,-141,966] 2 [5:19:1] 19380f2 [0,-1,0,-2516,49416] 2 [46:-170:1]
19380g (2 curves)	0	2- 3+ 5- 17- 19+	2- 3+ 5-  0 -2  4 17- 19+
Curve Equation t 19380g1 [0,-1,0,-20605,-1126310] 2 19380g2 [0,-1,0,-329260,-72610808] 2
19380h (2 curves)	2	2- 3+ 5- 17- 19+	2- 3+ 5- -4 -6 -4 17- 19+
Curve Equation t Generators 19380h1 [0,-1,0,-765,8262] 2 [99:-945:1]&[-7:115:1] 19380h2 [0,-1,0,-1620,-12600] 2 [-30:90:1]&[-18:102:1]
19380i (4 curves)	2	2- 3- 5+ 17+ 19-	2- 3- 5+ -4 -6 -4 17+ 19-
Curve Equation t Generators 19380i1 [0,1,0,-22941,-1304100] 6 [-99:81:1]&[-75:15:1] 19380i2 [0,1,0,-57236,3469764] 6 [-260:918:1]&[-233:2052:1] 19380i3 [0,1,0,-1842381,-963151056] 2 [6816:550620:1]&[209924:10765335:64] 19380i4 [0,1,0,-1842476,-963046860] 2 [-785:420:1]&[2067:63750:1]
19380j (2 curves)	0	2- 3- 5+ 17+ 19-	2- 3- 5+  5  0  5 17+ 19-
Curve Equation t 19380j1 [0,1,0,-926,10545] 3 19380j2 [0,1,0,334,37509] 1
19380k (1 curve)	1	2- 3- 5+ 17- 19-	2- 3- 5+  1  2  1 17- 19-
Curve Equation t Generators 19380k1 [0,1,0,-187786,31301369] 1 [-298:7803:1]
19380l (1 curve)	1	2- 3- 5+ 17- 19-	2- 3- 5+ -3 -2 -1 17- 19-
Curve Equation t Generators 19380l1 [0,1,0,-306,2349] 1 [-3:57:1]
19380m (2 curves)	0	2- 3- 5- 17+ 19+	2- 3- 5-  2 -4  6 17+ 19+
Curve Equation t 19380m1 [0,1,0,955,-276900] 2 19380m2 [0,1,0,-58420,-5311900] 2

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