Cremona's table of elliptic curves

58621 = 31² · 61

Class	r	Atkin-Lehner	Eigenvalues
58621a (1 curve)	1	31+ 61+	-1 -1  3 -3  3 -1 -7 -1
Curve Equation t Generators 58621a1 [1,1,1,-138404,-19689972] 1 [-26680:66927:125]
58621b (1 curve)	1	31- 61-	1 -2 -3  3  3 -5  8 -4
Curve Equation t Generators 58621b1 [1,0,1,86950,4290357] 1 [-118566:1904953:2744]
58621c (1 curve)	1	31- 61-	-1  1  3 -3 -3  1  7 -1
Curve Equation t Generators 58621c1 [1,0,0,-144,647] 1 [-11:36:1]
58621d (1 curve)	1	31- 61-	-1  2 -3  1  5 -1 -4 -4
Curve Equation t Generators 58621d1 [1,1,1,-1942,-35600] 1 [1686:7312:27]
58621e (1 curve)	1	31- 61-	-1 -2 -3 -3 -3 -5  4  8
Curve Equation t Generators 58621e1 [1,0,0,-49810572,135306009469] 1 [4079:-1559:1]

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

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