Cremona's table of elliptic curves

50508 = 2² · 3² · 23 · 61

Class	r	Atkin-Lehner	Eigenvalues
50508a (1 curve)	0	2- 3- 23+ 61-	2- 3-  0  0  4 -5  8 -4
Curve Equation t 50508a1 [0,0,0,-6165,-189567] 1
50508b (1 curve)	0	2- 3- 23+ 61-	2- 3-  2  3  5  3  6  2
Curve Equation t 50508b1 [0,0,0,-2784,-56972] 1
50508c (1 curve)	0	2- 3- 23- 61+	2- 3- -4  1 -3 -5  6 -6
Curve Equation t 50508c1 [0,0,0,-966072,-379949740] 1
50508d (1 curve)	2	2- 3- 23- 61+	2- 3- -4 -5 -1 -1 -6  8
Curve Equation t Generators 50508d1 [0,0,0,168,2180] 1 [-8:18:1]&[4:-54:1]
50508e (1 curve)	1	2- 3- 23- 61-	2- 3-  2  1  1 -5 -2  0
Curve Equation t Generators 50508e1 [0,0,0,-624,54052] 1 [116:1242:1]

Data from Elliptic Curve Data by J. E. Cremona.
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