Cremona's table of elliptic curves

21996 = 2² · 3² · 13 · 47

Class	r	Atkin-Lehner	Eigenvalues
21996a (1 curve)	1	2- 3+ 13- 47+	2- 3+  1  1 -3 13-  2 -4
Curve Equation t Generators 21996a1 [0,0,0,-54432,4887972] 1 [132:54:1]
21996b (1 curve)	1	2- 3+ 13- 47+	2- 3+ -2 -3  3 13-  4 -2
Curve Equation t Generators 21996b1 [0,0,0,-1431,21006] 1 [15:54:1]
21996c (1 curve)	0	2- 3+ 13- 47-	2- 3+ -1  1  3 13- -2 -4
Curve Equation t 21996c1 [0,0,0,-6048,-181036] 1
21996d (1 curve)	0	2- 3+ 13- 47-	2- 3+  2 -3 -3 13- -4 -2
Curve Equation t 21996d1 [0,0,0,-159,-778] 1
21996e (1 curve)	1	2- 3- 13- 47-	2- 3- -1  3  3 13-  2 -2
Curve Equation t Generators 21996e1 [0,0,0,-4728,596] 1 [-35:351:1]
21996f (2 curves)	1	2- 3- 13- 47-	2- 3- -2 -2 -4 13-  6  0
Curve Equation t Generators 21996f1 [0,0,0,1104,-27835] 2 [6692:71003:64] 21996f2 [0,0,0,-9831,-318706] 2 [430:8658:1]

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

Part of Computational Number Theory
Back to Tables and computations