Cremona's table of elliptic curves

20111 = 7 · 13² · 17

Class	r	Atkin-Lehner	Eigenvalues
20111a (1 curve)	0	7+ 13- 17+	0  2 -1 7+  2 13- 17+ -7
Curve Equation t 20111a1 [0,-1,1,5859,-142907] 1
20111b (2 curves)	1	7- 13+ 17-	1 -2  0 7-  4 13+ 17- -4
Curve Equation t Generators 20111b1 [1,0,1,-2201,2199] 2 [677:17237:1] 20111b2 [1,0,1,8784,19775] 2 [1:168:1]
20111c (1 curve)	1	7- 13- 17+	0  2  1 7- -2 13- 17+  7
Curve Equation t Generators 20111c1 [0,-1,1,35,-76] 1 [48:331:1]

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

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