Cremona's table of elliptic curves

42180 = 2² · 3 · 5 · 19 · 37

Class	r	Atkin-Lehner	Eigenvalues
42180a (1 curve)	1	2- 3+ 5- 19+ 37+	2- 3+ 5-  4 -2  1  0 19+
Curve Equation t Generators 42180a1 [0,-1,0,-445,6457] 1 [24:95:1]
42180b (1 curve)	0	2- 3+ 5- 19+ 37-	2- 3+ 5-  2  5 -2  1 19+
Curve Equation t 42180b1 [0,-1,0,835,-16263] 1
42180c (1 curve)	0	2- 3+ 5- 19- 37+	2- 3+ 5- -2 -3  6 -7 19-
Curve Equation t 42180c1 [0,-1,0,755,136297] 1
42180d (1 curve)	1	2- 3+ 5- 19- 37-	2- 3+ 5- -2 -1 -6 -3 19-
Curve Equation t Generators 42180d1 [0,-1,0,-21365,-1226463] 1 [704:18225:1]
42180e (1 curve)	1	2- 3- 5+ 19+ 37+	2- 3- 5+  0  3 -4  5 19+
Curve Equation t Generators 42180e1 [0,1,0,-21,135] 1 [-6:9:1]
42180f (1 curve)	0	2- 3- 5+ 19- 37+	2- 3- 5+  2 -1 -6  7 19-
Curve Equation t 42180f1 [0,1,0,-15541,-34760761] 1
42180g (1 curve)	1	2- 3- 5+ 19- 37-	2- 3- 5+ -2  1  2  7 19-
Curve Equation t Generators 42180g1 [0,1,0,-4701,-232785] 1 [90:285:1]
42180h (1 curve)	1	2- 3- 5- 19+ 37-	2- 3- 5- -4 -1  0  3 19+
Curve Equation t Generators 42180h1 [0,1,0,-43005,3418335] 1 [153:666:1]
42180i (2 curves)	1	2- 3- 5- 19- 37+	2- 3- 5-  4  2 -2 -6 19-
Curve Equation t Generators 42180i1 [0,1,0,-6645,-444600] 2 [1320:47880:1] 42180i2 [0,1,0,-136700,-19484652] 2 [511:6660:1]

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