Cremona's table of elliptic curves

9890 = 2 · 5 · 23 · 43

Class	r	Atkin-Lehner	Eigenvalues
9890a (1 curve)	1	2+ 5+ 23+ 43+	2+  0 5+ -4  6 -6  0  1
Curve Equation t Generators 9890a1 [1,-1,0,-552920,-158276800] 1 [40451585:3634624120:4913]
9890b (1 curve)	1	2+ 5+ 23- 43-	2+ -1 5+  0  1 -1 -6 -6
Curve Equation t Generators 9890b1 [1,1,0,-12343,5614997] 1 [151:2612:1]
9890c (1 curve)	1	2+ 5+ 23- 43-	2+ -1 5+  4  1 -1 -2 -2
Curve Equation t Generators 9890c1 [1,1,0,-1098,-14492] 1 [39:43:1]
9890d (1 curve)	1	2+ 5- 23- 43+	2+ -1 5- -4 -1  3 -6 -4
Curve Equation t Generators 9890d1 [1,1,0,43,301] 1 [2:19:1]
9890e (1 curve)	0	2+ 5- 23- 43-	2+  0 5-  0  6 -6 -4 -1
Curve Equation t 9890e1 [1,-1,0,-3810119,-2861616417] 1
9890f (1 curve)	1	2- 5+ 23+ 43-	2-  0 5+ -1  0 -3  4  5
Curve Equation t Generators 9890f1 [1,-1,1,272,-90829] 1 [803:22345:1]
9890g (1 curve)	1	2- 5+ 23- 43+	2-  0 5+  0 -2  2  0  5
Curve Equation t Generators 9890g1 [1,-1,1,107,-19] 1 [5:22:1]
9890h (1 curve)	1	2- 5+ 23- 43+	2-  1 5+  2 -3  1  0 -6
Curve Equation t Generators 9890h1 [1,0,0,79,-535] 1 [8:21:1]
9890i (1 curve)	2	2- 5+ 23- 43-	2- -3 5+ -2 -5 -7  0  4
Curve Equation t Generators 9890i1 [1,-1,1,-123,1131] 1 [-13:26:1]&[-5:42:1]
9890j (1 curve)	1	2- 5- 23+ 43+	2-  1 5- -2  1  1 -4  0
Curve Equation t Generators 9890j1 [1,0,0,-122030,-27255100] 1 [710:15270:1]

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