Cremona's table of elliptic curves

20240 = 2⁴ · 5 · 11 · 23

Class	r	Atkin-Lehner	Eigenvalues
20240a (2 curves)	1	2+ 5+ 11+ 23+	2+  0 5+  2 11+  4  0  0
Curve Equation t Generators 20240a1 [0,0,0,-21598,-1306953] 2 [19556311221953347:-1720037749481429442:2527126482061] 20240a2 [0,0,0,-352223,-80458578] 2 [-5806032719:-125600884:16974593]
20240b (1 curve)	1	2+ 5+ 11+ 23+	2+  3 5+  2 11+ -7 -4  0
Curve Equation t Generators 20240b1 [0,0,0,-2743,-56767] 1 [3648:38555:27]
20240c (1 curve)	2	2+ 5+ 11+ 23-	2+ -2 5+ -3 11+ -2  0  5
Curve Equation t Generators 20240c1 [0,1,0,-96,340] 1 [-10:20:1]&[4:6:1]
20240d (1 curve)	0	2+ 5+ 11+ 23-	2+  3 5+  4 11+ -1  0  8
Curve Equation t 20240d1 [0,0,0,17,-43] 1
20240e (2 curves)	0	2+ 5+ 11- 23+	2+  0 5+ -2 11- -4  8  0
Curve Equation t 20240e1 [0,0,0,-878,-10013] 2 20240e2 [0,0,0,-823,-11322] 2
20240f (1 curve)	1	2+ 5- 11- 23+	2+  0 5-  1 11- -4  4  1
Curve Equation t Generators 20240f1 [0,0,0,2173,-12574] 1 [50:283:8]
20240g (1 curve)	0	2+ 5- 11- 23-	2+  2 5-  3 11- -4 -3  6
Curve Equation t 20240g1 [0,-1,0,-665,-6763] 1
20240h (4 curves)	0	2- 5+ 11+ 23+	2-  0 5+  4 11+  6 -6 -4
Curve Equation t 20240h1 [0,0,0,-443,3562] 2 20240h2 [0,0,0,-763,-2262] 4 20240h3 [0,0,0,-9563,-359542] 2 20240h4 [0,0,0,2917,-17718] 2
20240i (1 curve)	0	2- 5+ 11+ 23+	2-  1 5+  4 11+ -1 -8  8
Curve Equation t 20240i1 [0,1,0,-286,-1961] 1
20240j (1 curve)	1	2- 5+ 11+ 23-	2-  0 5+  1 11+  0  4  7
Curve Equation t Generators 20240j1 [0,0,0,-443,-7702] 1 [106:1066:1]
20240k (1 curve)	1	2- 5+ 11+ 23-	2-  1 5+ -2 11+ -3  4  0
Curve Equation t Generators 20240k1 [0,1,0,-626,14999] 1 [-1:125:1]
20240l (2 curves)	1	2- 5+ 11+ 23-	2- -1 5+  1 11+ -4 -3  1
Curve Equation t Generators 20240l1 [0,-1,0,10064,967616] 1 [8:1024:1] 20240l2 [0,-1,0,-524976,146791360] 1 [-344:16928:1]
20240m (2 curves)	1	2- 5+ 11+ 23-	2-  2 5+  1 11+  2  0  1
Curve Equation t Generators 20240m1 [0,-1,0,-21296,-113379904] 1 [5079316685579479546:2292086634544704177207:24943158948232] 20240m2 [0,-1,0,191664,3061087040] 1 [-220346:151422363:2744]
20240n (4 curves)	1	2- 5+ 11- 23+	2-  0 5+  0 11-  2  2 -4
Curve Equation t Generators 20240n1 [0,0,0,-10883,-435582] 2 [-582918:70190:9261] 20240n2 [0,0,0,-16003,16002] 4 [72001:19320000:1] 20240n3 [0,0,0,-177923,28805378] 2 [857985:197918:3375] 20240n4 [0,0,0,63997,128002] 2 [273:6160:1]
20240o (1 curve)	1	2- 5+ 11- 23+	2-  0 5+ -3 11- -4 -4  5
Curve Equation t Generators 20240o1 [0,0,0,2437,-791638] 1 [674:865:8]
20240p (2 curves)	1	2- 5+ 11- 23+	2-  2 5+  1 11-  2  0 -5
Curve Equation t Generators 20240p1 [0,-1,0,-2816,81920] 1 [-59:198:1] 20240p2 [0,-1,0,-253056,49081856] 1 [293:66:1]
20240q (2 curves)	1	2- 5+ 11- 23+	2-  2 5+  1 11- -4  3 -2
Curve Equation t Generators 20240q1 [0,-1,0,179,-1935] 1 [9:18:1] 20240q2 [0,-1,0,-1661,61361] 1 [85:726:1]
20240r (2 curves)	0	2- 5+ 11- 23-	2-  0 5+  4 11- -6  4  4
Curve Equation t 20240r1 [0,0,0,-4348,149547] 2 20240r2 [0,0,0,-76223,8098922] 2
20240s (1 curve)	1	2- 5- 11+ 23+	2-  1 5-  0 11+  3 -4  4
Curve Equation t Generators 20240s1 [0,1,0,-31690,2280163] 1 [171:1375:1]
20240t (1 curve)	0	2- 5- 11+ 23-	2-  1 5-  3 11+ -4  3 -7
Curve Equation t 20240t1 [0,1,0,-120,-940] 1
20240u (1 curve)	2	2- 5- 11+ 23-	2- -2 5-  1 11+ -6 -8 -3
Curve Equation t Generators 20240u1 [0,1,0,120,628] 1 [3:32:1]&[6:40:1]
20240v (1 curve)	2	2- 5- 11+ 23-	2- -2 5- -5 11+  0  1 -6
Curve Equation t Generators 20240v1 [0,1,0,-725405,239449975] 1 [-15022695:1528942250:79507]&[-485:21850:1]
20240w (1 curve)	2	2- 5- 11- 23+	2-  0 5- -3 11- -4 -4 -7
Curve Equation t Generators 20240w1 [0,0,0,-8627,364146] 1 [-103:400:1]&[47:250:1]
20240x (1 curve)	0	2- 5- 11- 23+	2-  2 5- -3 11-  0 -3  6
Curve Equation t 20240x1 [0,-1,0,-5,365] 1
20240y (1 curve)	2	2- 5- 11- 23+	2- -3 5- -3 11- -4 -7 -1
Curve Equation t Generators 20240y1 [0,0,0,-40507,3264106] 1 [-233:230:1]&[1908112725:-9685118608:12649337]
20240z (1 curve)	1	2- 5- 11- 23-	2-  1 5-  1 11- -4  5 -1
Curve Equation t Generators 20240z1 [0,1,0,-102000,-12919852] 1 [466:6400:1]

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