Cremona's table of elliptic curves

21584 = 2⁴ · 19 · 71

Class	r	Atkin-Lehner	Eigenvalues
21584a (1 curve)	1	2+ 19+ 71+	2+  2  0  1  0  4 -4 19+
Curve Equation t Generators 21584a1 [0,-1,0,-128,608] 1 [4:12:1]
21584b (1 curve)	1	2- 19+ 71-	2- -2  4  1 -4  0  0 19+
Curve Equation t Generators 21584b1 [0,1,0,584,23892] 1 [38:320:1]
21584c (1 curve)	1	2- 19- 71+	2-  0 -1  3  3 -2  3 19-
Curve Equation t Generators 21584c1 [0,0,0,469792,7902896] 1 [88034:9252791:8]
21584d (1 curve)	0	2- 19- 71-	2-  0 -1 -1 -1  6 -1 19-
Curve Equation t 21584d1 [0,0,0,-128,-1104] 1
21584e (2 curves)	0	2- 19- 71-	2-  0  2  2 -4 -6  2 19-
Curve Equation t 21584e1 [0,0,0,-51859,4552530] 2 21584e2 [0,0,0,-830099,291100498] 2

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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