Cremona's table of elliptic curves

1420 = 2² · 5 · 71

Class	r	Atkin-Lehner	Eigenvalues
1420a (2 curves)	1	2- 5- 71+	2-  2 5- -4 -4 -4 -8  8
Curve Equation t Generators 1420a1 [0,-1,0,-25,-30] 2 [-3:3:1] 1420a2 [0,-1,0,-380,-2728] 2 [34:150:1]
1420b (1 curve)	0	2- 5- 71-	2-  2 5-  3 -4 -1  2  1
Curve Equation t 1420b1 [0,-1,0,-5,17] 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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