Cremona's table of elliptic curves

819 = 3² · 7 · 13

Class	r	Atkin-Lehner	Eigenvalues
819a (2 curves)	1	3+ 7+ 13+	1 3+  0 7+  0 13+ -2 -4
Curve Equation t Generators 819a1 [1,-1,0,-42,-73] 2 [14:37:1] 819a2 [1,-1,0,93,-532] 2 [8:22:1]
819b (2 curves)	1	3+ 7+ 13+	-1 3+  0 7+  0 13+  2 -4
Curve Equation t Generators 819b1 [1,-1,1,-5,4] 2 [-2:2:1] 819b2 [1,-1,1,10,16] 2 [2:5:1]
819c (1 curve)	0	3- 7+ 13+	2 3-  3 7+  6 13+ -4  5
Curve Equation t 819c1 [0,0,1,9,-7] 1
819d (1 curve)	0	3- 7+ 13+	-2 3- -1 7+  2 13+  0  1
Curve Equation t 819d1 [0,0,1,22857,4273542] 1
819e (3 curves)	0	3- 7- 13-	0 3-  3 7-  0 13-  6 -7
Curve Equation t 819e1 [0,0,1,-66,-207] 1 819e2 [0,0,1,114,-1026] 3 819e3 [0,0,1,-1056,32553] 3
819f (1 curve)	0	3- 7- 13-	2 3-  1 7-  2 13-  4  3
Curve Equation t 819f1 [0,0,1,-237,-1607] 1

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

Part of Computational Number Theory
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