Cremona's table of elliptic curves

120 = 2³ · 3 · 5

Class	r	Atkin-Lehner	Eigenvalues
120b (4 curves)	0	2+ 3- 5+	2+ 3- 5+  4  0 -6 -2  4
Curve Equation t 120b1 [0,1,0,4,0] 2 120b2 [0,1,0,-16,-16] 4 120b3 [0,1,0,-216,-1296] 2 120b4 [0,1,0,-136,560] 2
120a (6 curves)	0	2- 3- 5-	2- 3- 5-  0 -4  6 -6 -4
Curve Equation t 120a1 [0,1,0,-15,18] 4 120a2 [0,1,0,-20,0] 8 120a3 [0,1,0,-200,-1152] 4 120a4 [0,1,0,80,80] 4 120a5 [0,1,0,-3200,-70752] 2 120a6 [0,1,0,-80,-2400] 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
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