Cremona's table of elliptic curves

20200 = 2³ · 5² · 101

Class	r	Atkin-Lehner	Eigenvalues
20200a (1 curve)	1	2+ 5+ 101+	2+  0 5+  1  0 -4 -5  5
Curve Equation t Generators 20200a1 [0,0,0,-275,-3250] 1 [310:5450:1]
20200b (1 curve)	1	2+ 5+ 101+	2+ -2 5+ -2 -2  3 -3  5
Curve Equation t Generators 20200b1 [0,1,0,-3233,-71837] 1 [-33:2:1]
20200c (2 curves)	2	2+ 5+ 101-	2+ -2 5+ -2  0 -2 -2 -4
Curve Equation t Generators 20200c1 [0,1,0,-883,9738] 2 [-31:91:1]&[-7:125:1] 20200c2 [0,1,0,-1508,-6512] 2 [-32:100:1]&[-12:100:1]
20200d (1 curve)	0	2+ 5- 101+	2+  1 5- -4 -3  2 -7 -1
Curve Equation t 20200d1 [0,1,0,792,-136912] 1
20200e (2 curves)	1	2+ 5- 101-	2+  0 5-  4  0  0  0 -4
Curve Equation t Generators 20200e1 [0,0,0,-170,825] 2 [5:10:1] 20200e2 [0,0,0,-2695,53850] 2 [50:210:1]
20200f (1 curve)	0	2- 5+ 101+	2- -1 5+  4 -3 -2  7 -1
Curve Equation t 20200f1 [0,-1,0,32,-1108] 1
20200g (4 curves)	1	2- 5+ 101-	2-  0 5+ -4  0  2 -2 -4
Curve Equation t Generators 20200g1 [0,0,0,-6050,-99875] 2 [105:650:1] 20200g2 [0,0,0,-84175,-9396750] 4 [7090:197925:8] 20200g3 [0,0,0,-1346675,-601509250] 2 [-35899699082:-1381002:53582633] 20200g4 [0,0,0,-71675,-12284250] 2 [83145:4595500:27]
20200h (1 curve)	1	2- 5+ 101-	2- -2 5+  1  2 -6 -3 -1
Curve Equation t Generators 20200h1 [0,1,0,-61408,5846688] 1 [143:100:1]
20200i (2 curves)	1	2- 5+ 101-	2- -2 5+ -2 -4  6  6 -4
Curve Equation t Generators 20200i1 [0,1,0,-1883,15238] 2 [43:125:1] 20200i2 [0,1,0,-14508,-666512] 2 [-72:100:1]
20200j (2 curves)	2	2- 5- 101-	2-  0 5- -4  0  0  0 -4
Curve Equation t Generators 20200j1 [0,0,0,-4250,103125] 2 [6:279:1]&[26:101:1] 20200j2 [0,0,0,-67375,6731250] 2 [-291:1302:1]&[25:2250:1]

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