Cremona's table of elliptic curves

71393 = 7² · 31 · 47

Class	r	Atkin-Lehner	Eigenvalues
71393a (2 curves)	0	7- 31+ 47+	-1  2  2 7-  6 -2 -4 -4
Curve Equation t 71393a1 [1,1,1,-5342,151066] 2 71393a2 [1,1,1,-85947,9662456] 2
71393b (2 curves)	1	7- 31+ 47-	-1  0  0 7-  0 -6  8 -4
Curve Equation t Generators 71393b1 [1,-1,1,-7090,79944] 2 [-53:578:1] 71393b2 [1,-1,1,-91125,10601126] 2 [-201:4657:1]
71393c (4 curves)	1	7- 31+ 47-	-1  0  2 7-  4  6 -2  4
Curve Equation t Generators 71393c1 [1,-1,1,-1504,22810] 2 [310:1017:8] 71393c2 [1,-1,1,-1749,15068] 4 [9042:20851:216] 71393c3 [1,-1,1,5846,106208] 2 [2039:91100:1] 71393c4 [1,-1,1,-13264,-574500] 2 [-614195504:-566438809:8998912]

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

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