Cremona's table of elliptic curves

80631 = 3² · 17² · 31

Class	r	Atkin-Lehner	Eigenvalues
80631a (1 curve)	0	3+ 17+ 31-	2 3+  3 -2 -3 -1 17+ -1
Curve Equation t 80631a1 [0,0,1,-366741,156760319] 1
80631b (1 curve)	2	3+ 17+ 31-	-2 3+ -3 -2  3 -1 17+ -1
Curve Equation t Generators 80631b1 [0,0,1,-40749,-5805938] 1 [595:-13439:1]&[1292:45806:1]
80631c (4 curves)	0	3- 17+ 31+	1 3-  2  0  4  6 17+ -4
Curve Equation t 80631c1 [1,-1,0,20754,-648945] 2 80631c2 [1,-1,0,-96291,-5494608] 4 80631c3 [1,-1,0,-759546,251185077] 2 80631c4 [1,-1,0,-1305756,-573701265] 2
80631d (1 curve)	1	3- 17+ 31-	0 3-  1  2  1  1 17+  3
Curve Equation t Generators 80631d1 [0,0,1,-325992,-72760302] 1 [3506:204646:1]

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

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