Cremona's table of elliptic curves

27556 = 2² · 83²

Class	r	Atkin-Lehner	Eigenvalues
27556a (1 curve)	0	2- 83+	2- -1  4  1  3  4  5  4
Curve Equation t 27556a1 [0,-1,0,-221,-1202] 1
27556b (1 curve)	0	2- 83+	2- -1 -4  1  3 -4  5 -4
Curve Equation t 27556b1 [0,-1,0,-1524765,729960226] 1
27556c (1 curve)	1	2- 83-	2-  2  2 -2  4 -1  3 -4
Curve Equation t Generators 27556c1 [0,-1,0,28,-40] 1 [1662:5165:216]
27556d (1 curve)	1	2- 83-	2-  2 -2 -2  4  1  3  4
Curve Equation t Generators 27556d1 [0,-1,0,190596,17513624] 1 [41406:1687805:216]

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

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