Cremona's table of elliptic curves

100820 = 2² · 5 · 71²

Class	r	Atkin-Lehner	Eigenvalues
100820a (4 curves)	1	2- 5+ 71-	2- -2 5+ -2  0 -2  6 -4
Curve Equation t Generators 100820a1 [0,1,0,-6721,-148056] 2 [615:15123:1] 100820a2 [0,1,0,18484,-974780] 2 [92:1230:1] 100820a3 [0,1,0,-208361,36530260] 2 [83620:1754268:125] 100820a4 [0,1,0,-183156,45725044] 2 [343331:160207500:24389]
100820b (1 curve)	0	2- 5- 71-	2-  2 5- -3  4  1 -2  1
Curve Equation t 100820b1 [0,-1,0,-26885,-5452495] 1
100820c (2 curves)	0	2- 5- 71-	2-  2 5-  4  4  4  8  8
Curve Equation t 100820c1 [0,-1,0,-127705,13789002] 2 100820c2 [0,-1,0,-1917260,1022382200] 2

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

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