Cremona's table of elliptic curves

49972 = 2² · 13 · 31²

Class	r	Atkin-Lehner	Eigenvalues
49972a (1 curve)	1	2- 13+ 31-	2-  2  3 -3 -2 13+  0 -7
Curve Equation t Generators 49972a1 [0,-1,0,5446,383261] 1 [-735:12493:27]
49972b (1 curve)	1	2- 13+ 31-	2- -2  1  3 -2 13+ -6  3
Curve Equation t Generators 49972b1 [0,1,0,-67590,8628997] 1 [-15955:487227:125]
49972c (2 curves)	0	2- 13- 31-	2-  0  2 -2  2 13- -6 -6
Curve Equation t 49972c1 [0,0,0,-3844,89373] 2 49972c2 [0,0,0,961,297910] 2
49972d (1 curve)	0	2- 13- 31-	2-  0 -4 -2 -1 13-  0  0
Curve Equation t 49972d1 [0,0,0,-261392,-2412475180] 1
49972e (1 curve)	2	2- 13- 31-	2- -2 -1  1 -2 13- -4  5
Curve Equation t Generators 49972e1 [0,1,0,-890206,322987473] 1 [196:12493:1]&[469:2977:1]

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

Part of Computational Number Theory
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