Cremona's table of elliptic curves

1221 = 3 · 11 · 37

Class	r	Atkin-Lehner	Eigenvalues
1221a (4 curves)	1	3- 11+ 37-	1 3-  2 -4 11+ -6 -2 -4
Curve Equation t Generators 1221a1 [1,0,1,5,-7] 2 [13:41:1] 1221a2 [1,0,1,-40,-79] 4 [110:301:8] 1221a3 [1,0,1,-595,-5629] 2 [6522:10591:216] 1221a4 [1,0,1,-205,1043] 2 [93:841:1]
1221b (2 curves)	1	3- 11+ 37-	-1 3-  0 -4 11+  4  2 -2
Curve Equation t Generators 1221b1 [1,0,0,-68,-201] 2 [-5:7:1] 1221b2 [1,0,0,-253,1316] 2 [-13:56:1]
1221c (2 curves)	0	3- 11- 37-	-1 3-  0  0 11-  4  2 -2
Curve Equation t 1221c1 [1,0,0,-13,-16] 2 1221c2 [1,0,0,-198,-1089] 2

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