Cremona's table of elliptic curves

124020 = 2² · 3² · 5 · 13 · 53

Class	r	Atkin-Lehner	Eigenvalues
124020a (2 curves)	1	2- 3+ 5+ 13- 53+	2- 3+ 5+  0 -4 13- -2 -4
Curve Equation t Generators 124020a1 [0,0,0,12,-427] 2 [548:1115:64] 124020a2 [0,0,0,-783,-8218] 2 [38:130:1]
124020b (1 curve)	1	2- 3+ 5+ 13- 53+	2- 3+ 5+  2  3 13-  4  1
Curve Equation t Generators 124020b1 [0,0,0,-48,2628] 1 [4:-50:1]
124020c (2 curves)	1	2- 3+ 5- 13- 53-	2- 3+ 5-  0  4 13-  2 -4
Curve Equation t Generators 124020c1 [0,0,0,108,11529] 2 [-20:37:1] 124020c2 [0,0,0,-7047,221886] 2 [-93:270:1]
124020d (1 curve)	1	2- 3+ 5- 13- 53-	2- 3+ 5-  2 -3 13- -4  1
Curve Equation t Generators 124020d1 [0,0,0,-432,-70956] 1 [45:27:1]
124020e (2 curves)	1	2- 3- 5+ 13+ 53+	2- 3- 5+  0 -6 13+  2 -4
Curve Equation t Generators 124020e1 [0,0,0,-1746588,888451697] 2 [682:3807:1] 124020e2 [0,0,0,-1746183,888884318] 2 [671:4394:1]
124020f (2 curves)	1	2- 3- 5+ 13+ 53+	2- 3- 5+ -2 -6 13+ -6 -2
Curve Equation t Generators 124020f1 [0,0,0,-4110948,3208151853] 2 [1179:450:1] 124020f2 [0,0,0,-3984543,3414672342] 2 [6454:496522:1]
124020g (2 curves)	1	2- 3- 5+ 13+ 53+	2- 3- 5+  4  2 13+  2  0
Curve Equation t Generators 124020g1 [0,0,0,-8148,175237] 2 [26962464:768872615:32768] 124020g2 [0,0,0,24657,1231558] 2 [3282:188240:1]
124020h (1 curve)	0	2- 3- 5+ 13- 53+	2- 3- 5+  0  3 13- -2  4
Curve Equation t 124020h1 [0,0,0,-712143,231453558] 1
124020i (2 curves)	0	2- 3- 5+ 13- 53+	2- 3- 5+  2  0 13- -3  2
Curve Equation t 124020i1 [0,0,0,-73128,9727252] 1 124020i2 [0,0,0,-6369528,6187411492] 3
124020j (4 curves)	1	2- 3- 5+ 13- 53-	2- 3- 5+  2  0 13- -6 -4
Curve Equation t Generators 124020j1 [0,0,0,-613668,-185002283] 2 [4831321:283641750:1331] 124020j2 [0,0,0,-678063,-143802362] 2 [323609210241394:18967637748515625:89075066696] 124020j3 [0,0,0,-1504668,457011817] 6 [1166:16965:1] 124020j4 [0,0,0,-21603063,38639942638] 6 [13647:1511770:1]
124020k (1 curve)	0	2- 3- 5- 13+ 53+	2- 3- 5-  4 -3 13+  2  4
Curve Equation t 124020k1 [0,0,0,-207,-1674] 1
124020l (2 curves)	0	2- 3- 5- 13- 53-	2- 3- 5-  2  0 13-  2  8
Curve Equation t 124020l1 [0,0,0,-1452,15221] 2 124020l2 [0,0,0,-8607,-295306] 2
124020m (1 curve)	0	2- 3- 5- 13- 53-	2- 3- 5- -4 -1 13- -2  8
Curve Equation t 124020m1 [0,0,0,-3207,-498994] 1

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