Cremona's table of elliptic curves

21200 = 2⁴ · 5² · 53

Class	r	Atkin-Lehner	Eigenvalues
21200a (1 curve)	1	2+ 5+ 53+	2+  0 5+  3  3 -2 -5  2
Curve Equation t Generators 21200a1 [0,0,0,-20,-20] 1 [9:23:1]
21200b (1 curve)	1	2+ 5+ 53+	2+ -1 5+  2  0 -1  5  5
Curve Equation t Generators 21200b1 [0,-1,0,-1008,14512] 1 [22:50:1]
21200c (1 curve)	1	2+ 5- 53-	2+  0 5- -3  3  2  5  2
Curve Equation t Generators 21200c1 [0,0,0,-500,-2500] 1 [25:25:1]
21200d (2 curves)	0	2- 5+ 53+	2-  0 5+ -2  0  2  6  2
Curve Equation t 21200d1 [0,0,0,-1675,8250] 2 21200d2 [0,0,0,6325,64250] 2
21200e (2 curves)	0	2- 5+ 53+	2-  1 5+  2  0 -5 -3 -5
Curve Equation t 21200e1 [0,1,0,-5408,1491188] 1 21200e2 [0,1,0,-1171408,487607188] 1
21200f (1 curve)	0	2- 5+ 53+	2-  1 5+ -2  2 -5  7 -7
Curve Equation t 21200f1 [0,1,0,1092,-10312] 1
21200g (1 curve)	0	2- 5+ 53+	2- -1 5+ -2 -2  7  3 -5
Curve Equation t 21200g1 [0,-1,0,-108,-788] 1
21200h (1 curve)	0	2- 5+ 53+	2- -1 5+ -2  4  3  1  1
Curve Equation t 21200h1 [0,-1,0,3592,-76688] 1
21200i (1 curve)	0	2- 5+ 53+	2- -1 5+  4 -5  0  7  1
Curve Equation t 21200i1 [0,-1,0,19792,958912] 1
21200j (1 curve)	0	2- 5+ 53+	2-  2 5+  1  1  6  7  4
Curve Equation t 21200j1 [0,-1,0,-213,-1123] 1
21200k (1 curve)	0	2- 5+ 53+	2-  2 5+ -2 -5  4 -3  4
Curve Equation t 21200k1 [0,-1,0,-11008,448512] 1
21200l (1 curve)	0	2- 5+ 53+	2- -2 5+ -5 -1 -2  7  8
Curve Equation t 21200l1 [0,1,0,-23333,-1379537] 1
21200m (1 curve)	0	2- 5+ 53+	2- -3 5+ -2  0 -1 -3 -1
Curve Equation t 21200m1 [0,0,0,490325,-247091750] 1
21200n (1 curve)	0	2- 5+ 53+	2- -3 5+ -2  3 -4  3 -1
Curve Equation t 21200n1 [0,0,0,-8756875,-9978743750] 1
21200o (2 curves)	1	2- 5+ 53-	2-  0 5+  2  0  6  6  2
Curve Equation t Generators 21200o1 [0,0,0,-55075,-4974750] 2 [16635:377000:27] 21200o2 [0,0,0,-53075,-5352750] 2 [36515505:828856250:59319]
21200p (2 curves)	1	2- 5+ 53-	2-  1 5+ -4  0 -5  3  1
Curve Equation t Generators 21200p1 [0,1,0,-113208,18581588] 1 [268:2750:1] 21200p2 [0,1,0,-9841208,11879573588] 1 [1628:13250:1]
21200q (1 curve)	1	2- 5+ 53-	2- -1 5+  0  4 -1 -5  7
Curve Equation t Generators 21200q1 [0,-1,0,-3008,-63488] 1 [242:3650:1]
21200r (2 curves)	1	2- 5+ 53-	2-  2 5+  0  4  2 -2 -2
Curve Equation t Generators 21200r1 [0,-1,0,-433,3612] 2 [71436:403975:1728] 21200r2 [0,-1,0,-308,5612] 2 [157:1950:1]
21200s (2 curves)	1	2- 5+ 53-	2- -2 5+ -1  3 -2  3 -2
Curve Equation t Generators 21200s1 [0,1,0,-93,-377] 1 [-6:1:1] 21200s2 [0,1,0,-493,3783] 1 [2:53:1]
21200t (2 curves)	1	2- 5+ 53-	2- -2 5+  2  3  4 -3  4
Curve Equation t Generators 21200t1 [0,1,0,392,-7212] 1 [22:112:1] 21200t2 [0,1,0,-3608,224788] 1 [-66:424:1]
21200u (1 curve)	1	2- 5+ 53-	2- -2 5+ -3  5  6  3 -6
Curve Equation t Generators 21200u1 [0,1,0,-3333,22963] 1 [94:741:1]
21200v (1 curve)	1	2- 5+ 53-	2- -3 5+ -4  0  3  3  5
Curve Equation t Generators 21200v1 [0,0,0,125,-2750] 1 [15:50:1]
21200w (2 curves)	1	2- 5- 53+	2-  2 5-  1  3  2 -3 -2
Curve Equation t Generators 21200w1 [0,-1,0,-2333,-42463] 1 [-214:75:8] 21200w2 [0,-1,0,-12333,497537] 1 [298:2379:8]
21200x (1 curve)	1	2- 5- 53+	2-  2 5-  3  5 -6 -3 -6
Curve Equation t Generators 21200x1 [0,-1,0,-133,237] 1 [12:15:1]
21200y (1 curve)	2	2- 5- 53-	2-  1 5- -4 -5  0 -7  1
Curve Equation t Generators 21200y1 [0,1,0,792,7988] 1 [-2:80:1]&[4:106:1]
21200z (1 curve)	0	2- 5- 53-	2-  2 5-  5 -1  2 -7  8
Curve Equation t 21200z1 [0,-1,0,-933,-10663] 1
21200ba (1 curve)	2	2- 5- 53-	2- -2 5- -1  1 -6 -7  4
Curve Equation t Generators 21200ba1 [0,1,0,-5333,-151037] 1 [-42:25:1]&[158:1725:1]
21200bb (1 curve)	0	2- 5- 53-	2-  3 5-  2  3  4 -3 -1
Curve Equation t 21200bb1 [0,0,0,-350275,-79829950] 1

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