Cremona's table of elliptic curves

19855 = 5 · 11 · 19²

Class	r	Atkin-Lehner	Eigenvalues
19855a (2 curves)	0	5+ 11+ 19-	1  2 5+ -2 11+ -6  0 19-
Curve Equation t 19855a1 [1,1,0,-2173,29952] 2 19855a2 [1,1,0,-11198,-433933] 2
19855b (4 curves)	1	5- 11+ 19-	-1  0 5-  0 11+ -2  6 19-
Curve Equation t Generators 19855b1 [1,-1,1,293,-1574] 2 [14670:72748:729] 19855b2 [1,-1,1,-1512,-13126] 4 [92:741:1] 19855b3 [1,-1,1,-21367,-1196484] 2 [-84:59:1] 19855b4 [1,-1,1,-10537,409244] 2 [-52:928:1]
19855c (4 curves)	1	5- 11+ 19-	-1  0 5-  0 11+ -2 -6 19-
Curve Equation t Generators 19855c1 [1,-1,1,-354649717,2570765825484] 4 [581322466:5281749323:50653] 19855c2 [1,-1,1,-354651522,2570738350496] 4 [21036:2091544:1] 19855c3 [1,-1,1,-367060897,2381187629246] 2 [15513939:1487547161:729] 19855c4 [1,-1,1,-342271027,2758530650854] 2 [-10388:2284006:1]

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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