Cremona's table of elliptic curves

13140 = 2² · 3² · 5 · 73

Class	r	Atkin-Lehner	Eigenvalues
13140a (2 curves)	1	2- 3+ 5+ 73-	2- 3+ 5+ -2 -4  2  2  0
Curve Equation t Generators 13140a1 [0,0,0,432,4617] 2 [16:125:1] 13140a2 [0,0,0,-2943,47142] 2 [-9:270:1]
13140b (2 curves)	0	2- 3+ 5- 73-	2- 3+ 5- -2  4  2 -2  0
Curve Equation t 13140b1 [0,0,0,48,-171] 2 13140b2 [0,0,0,-327,-1746] 2
13140c (2 curves)	1	2- 3- 5- 73-	2- 3- 5- -4 -2 -2  2  0
Curve Equation t Generators 13140c1 [0,0,0,-1092,13889] 2 [10:63:1] 13140c2 [0,0,0,-1047,15086] 2 [7:90:1]

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

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