Cremona's table of elliptic curves

127813 = 7 · 19 · 31²

Class	r	Atkin-Lehner	Eigenvalues
127813a (1 curve)	0	7+ 19- 31+	-1  1  0 7+  3 -2  8 19-
Curve Equation t 127813a1 [1,0,0,-1896073,-1005076052] 1
127813b (1 curve)	1	7+ 19- 31-	0  0 -2 7+  2  2  7 19-
Curve Equation t Generators 127813b1 [0,0,1,3844,-7448] 1 [434:4801:8]
127813c (1 curve)	1	7+ 19- 31-	-1 -1  0 7+ -3  2 -8 19-
Curve Equation t Generators 127813c1 [1,1,1,-1973,32910] 1 [25:-11:1]
127813d (1 curve)	1	7- 19+ 31-	-2  2 -2 7-  0  6  3 19+
Curve Equation t Generators 127813d1 [0,-1,1,-81044,-9932834] 1 [1726:70633:1]
127813e (3 curves)	0	7- 19- 31-	0  2  0 7-  6  4  3 19-
Curve Equation t 127813e1 [0,-1,1,-1319773,-583135699] 1 127813e2 [0,-1,1,-1242893,-654133418] 1 127813e3 [0,-1,1,9183957,5391145675] 1

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

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