Cremona's table of elliptic curves

42237 = 3² · 13 · 19²

Class	r	Atkin-Lehner	Eigenvalues
42237a (1 curve)	1	3- 13+ 19-	0 3- -1 -3  3 13+  3 19-
Curve Equation t Generators 42237a1 [0,0,1,-17328,4628110] 1 [-76:2346:1]
42237b (4 curves)	1	3- 13+ 19-	1 3- -2 -4 -4 13+ -2 19-
Curve Equation t Generators 42237b1 [1,-1,0,1557,-50760] 2 [280:4580:1] 42237b2 [1,-1,0,-14688,-586845] 4 [-54:243:1] 42237b3 [1,-1,0,-63423,5583006] 2 [-90:3294:1] 42237b4 [1,-1,0,-225873,-41261076] 2 [9350:282681:8]
42237c (1 curve)	1	3- 13+ 19-	1 3-  3  1 -4 13+ -2 19-
Curve Equation t Generators 42237c1 [1,-1,0,18098487,-8144702442] 1 [512322741130446:-47235619421455356:838828609991]
42237d (1 curve)	0	3- 13- 19-	1 3- -1  3  0 13- -6 19-
Curve Equation t 42237d1 [1,-1,0,-8190,-372411] 1
42237e (1 curve)	0	3- 13- 19-	1 3- -3  5  0 13-  6 19-
Curve Equation t 42237e1 [1,-1,0,-16980966,-28712004899] 1
42237f (1 curve)	0	3- 13- 19-	2 3- -1 -1 -5 13- -7 19-
Curve Equation t 42237f1 [0,0,1,329674947,10694535362707] 1

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

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