Cremona's table of elliptic curves

87220 = 2² · 5 · 7² · 89

Class	r	Atkin-Lehner	Eigenvalues
87220a (1 curve)	1	2- 5+ 7- 89+	2- -1 5+ 7-  3  1 -2 -2
Curve Equation t Generators 87220a1 [0,-1,0,-2548261,1147520690] 1 [-98674043670520246:10065003275748385733:213268396492936]
87220b (1 curve)	1	2- 5+ 7- 89+	2- -2 5+ 7-  5 -4 -3  1
Curve Equation t Generators 87220b1 [0,1,0,-261,3940] 1 [9:-49:1]
87220c (1 curve)	1	2- 5+ 7- 89+	2- -3 5+ 7-  3  3 -6 -2
Curve Equation t Generators 87220c1 [0,0,0,-448,-3647] 1 [-12:1:1]
87220d (1 curve)	2	2- 5+ 7- 89-	2-  0 5+ 7- -5  4 -5  1
Curve Equation t Generators 87220d1 [0,0,0,1372,-16807] 1 [98:-1029:1]&[46:379:1]
87220e (2 curves)	2	2- 5+ 7- 89-	2- -1 5+ 7- -3 -5  6 -2
Curve Equation t Generators 87220e1 [0,-1,0,-121,-454] 1 [-7:1:1]&[-5:1:1] 87220e2 [0,-1,0,-1521,23206] 1 [-42:106:1]&[58:356:1]
87220f (1 curve)	0	2- 5+ 7- 89-	2- -1 5+ 7- -5  1 -2  2
Curve Equation t 87220f1 [0,-1,0,-3201,-13250] 1
87220g (1 curve)	0	2- 5+ 7- 89-	2-  3 5+ 7- -5  1  1  4
Curve Equation t 87220g1 [0,0,0,-6591088,-7188084988] 1
87220h (2 curves)	1	2- 5- 7+ 89+	2-  1 5- 7+ -3  5 -6  2
Curve Equation t Generators 87220h1 [0,1,0,-5945,167600] 3 [95:685:1] 87220h2 [0,1,0,-74545,-7810580] 1 [22116:592388:27]
87220i (1 curve)	1	2- 5- 7+ 89+	2-  1 5- 7+ -5 -1  2 -2
Curve Equation t Generators 87220i1 [0,1,0,-65,20] 1 [-38:125:8]
87220j (1 curve)	0	2- 5- 7+ 89-	2-  1 5- 7+  3 -1  2  2
Curve Equation t 87220j1 [0,1,0,-52005,-3360400] 1
87220k (1 curve)	0	2- 5- 7+ 89-	2-  3 5- 7+  3 -3  6  2
Curve Equation t 87220k1 [0,0,0,-21952,1250921] 1
87220l (2 curves)	0	2- 5- 7- 89+	2-  0 5- 7-  0 -2 -2 -2
Curve Equation t 87220l1 [0,0,0,-7252,-237699] 2 87220l2 [0,0,0,-7007,-254506] 2
87220m (2 curves)	0	2- 5- 7- 89+	2-  0 5- 7-  0 -6  6 -2
Curve Equation t 87220m1 [0,0,0,-142492,12213201] 2 87220m2 [0,0,0,445753,87155614] 2
87220n (1 curve)	2	2- 5- 7- 89+	2-  0 5- 7- -5 -4  5 -1
Curve Equation t Generators 87220n1 [0,0,0,28,49] 1 [0:7:1]&[15:62:1]
87220o (2 curves)	0	2- 5- 7- 89+	2- -2 5- 7-  0  6 -2  0
Curve Equation t 87220o1 [0,1,0,-646865,200032720] 2 87220o2 [0,1,0,-646620,200192068] 2
87220p (1 curve)	0	2- 5- 7- 89+	2- -2 5- 7-  5 -4  3  5
Curve Equation t 87220p1 [0,1,0,-34365,-22709912] 1
87220q (1 curve)	2	2- 5- 7- 89+	2- -3 5- 7- -5 -1 -1 -4
Curve Equation t Generators 87220q1 [0,0,0,-134512,20956516] 1 [26628:-389375:64]&[252:1750:1]
87220r (2 curves)	1	2- 5- 7- 89-	2-  2 5- 7-  3  4  3  1
Curve Equation t Generators 87220r1 [0,-1,0,-6925,-221010] 1 [1722:71352:1] 87220r2 [0,-1,0,20515,-1193758] 1 [142:2136:1]

Data from Elliptic Curve Data by J. E. Cremona.
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