Cremona's table of elliptic curves

869 = 11 · 79

Class	r	Atkin-Lehner	Eigenvalues
869a (1 curve)	1	11+ 79+	1  1  1 -5 11+  5  0 -4
Curve Equation t Generators 869a1 [1,0,1,-138,609] 1 [9:6:1]
869b (1 curve)	1	11+ 79+	-2  1  1 -2 11+  2  0  2
Curve Equation t Generators 869b1 [0,1,1,10,-2] 1 [11:39:1]
869c (2 curves)	0	11- 79+	-1 -2  2  4 11-  2  0 -4
Curve Equation t 869c1 [1,0,0,-2,-5] 2 869c2 [1,0,0,-57,-170] 2
869d (1 curve)	1	11- 79-	1 -1  1  1 11-  1 -8  0
Curve Equation t Generators 869d1 [1,1,0,-512,4237] 1 [-4:81:1]

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

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