Cremona's table of elliptic curves

21900 = 2² · 3 · 5² · 73

Class	r	Atkin-Lehner	Eigenvalues
21900a (1 curve)	1	2- 3+ 5+ 73-	2- 3+ 5+  2 -4  2 -1 -7
Curve Equation t Generators 21900a1 [0,-1,0,-1533,26937] 1 [56:337:1]
21900b (1 curve)	1	2- 3+ 5+ 73-	2- 3+ 5+ -4 -3 -2  6 -4
Curve Equation t Generators 21900b1 [0,-1,0,292,1752] 1 [26:162:1]
21900c (1 curve)	1	2- 3+ 5+ 73-	2- 3+ 5+ -4 -5 -6 -2  8
Curve Equation t Generators 21900c1 [0,-1,0,-62708,-6026088] 1 [105623:665946:343]
21900d (1 curve)	0	2- 3+ 5- 73-	2- 3+ 5-  1  2  3  6  1
Curve Equation t 21900d1 [0,-1,0,1667,-55463] 1
21900e (1 curve)	0	2- 3+ 5- 73-	2- 3+ 5-  5  4 -5  2 -3
Curve Equation t 21900e1 [0,-1,0,4667,133537] 1
21900f (1 curve)	1	2- 3- 5+ 73+	2- 3- 5+ -1  2 -3 -6  1
Curve Equation t Generators 21900f1 [0,1,0,67,-417] 1 [57:438:1]
21900g (1 curve)	1	2- 3- 5+ 73+	2- 3- 5+  4  0 -4 -3 -7
Curve Equation t Generators 21900g1 [0,1,0,-1222133,519619863] 1 [649:486:1]
21900h (1 curve)	1	2- 3- 5+ 73+	2- 3- 5+ -5  4  5 -2 -3
Curve Equation t Generators 21900h1 [0,1,0,187,1143] 1 [34:219:1]
21900i (1 curve)	0	2- 3- 5- 73+	2- 3- 5-  4 -3  2 -6 -4
Curve Equation t 21900i1 [0,1,0,7292,233588] 1
21900j (1 curve)	0	2- 3- 5- 73+	2- 3- 5-  4 -5  6  2  8
Curve Equation t 21900j1 [0,1,0,-2508,-49212] 1

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