Cremona's table of elliptic curves

16240 = 2⁴ · 5 · 7 · 29

Class	r	Atkin-Lehner	Eigenvalues
16240a (2 curves)	1	2+ 5+ 7+ 29+	2+  2 5+ 7+ -4 -2  4  0
Curve Equation t Generators 16240a1 [0,-1,0,-91,-294] 2 [474:3567:8] 16240a2 [0,-1,0,-236,1040] 2 [4:12:1]
16240b (2 curves)	2	2+ 5+ 7+ 29-	2+  0 5+ 7+  0 -2 -6 -6
Curve Equation t Generators 16240b1 [0,0,0,2,-33] 2 [7:18:1]&[467:10092:1] 16240b2 [0,0,0,-143,-642] 2 [-7:4:1]&[14:10:1]
16240c (2 curves)	0	2+ 5+ 7- 29+	2+  2 5+ 7-  0 -2  0 -4
Curve Equation t 16240c1 [0,-1,0,-2051,-35074] 2 16240c2 [0,-1,0,-2196,-29680] 2
16240d (2 curves)	0	2+ 5+ 7- 29+	2+  2 5+ 7-  4  6  4 -4
Curve Equation t 16240d1 [0,-1,0,-12131,8690] 2 16240d2 [0,-1,0,-134076,18885776] 2
16240e (2 curves)	0	2+ 5+ 7- 29+	2+ -2 5+ 7- -4 -2  0  6
Curve Equation t 16240e1 [0,1,0,-6671,-165620] 2 16240e2 [0,1,0,15204,-1005620] 2
16240f (1 curve)	1	2+ 5+ 7- 29-	2+ -1 5+ 7- -2  0 -2 -1
Curve Equation t Generators 16240f1 [0,-1,0,-1281,-79475] 1 [108:1015:1]
16240g (2 curves)	2	2+ 5- 7+ 29+	2+ -2 5- 7+ -4 -6 -8  2
Curve Equation t Generators 16240g1 [0,1,0,20,300] 2 [-5:10:1]&[-2:16:1] 16240g2 [0,1,0,-560,4708] 2 [-24:70:1]&[-14:100:1]
16240h (4 curves)	0	2+ 5- 7- 29-	2+  0 5- 7- -4  6 -2  4
Curve Equation t 16240h1 [0,0,0,-482,-4069] 2 16240h2 [0,0,0,-607,-1794] 4 16240h3 [0,0,0,-5507,155986] 4 16240h4 [0,0,0,2293,-13974] 2
16240i (1 curve)	0	2+ 5- 7- 29-	2+  1 5- 7- -6 -4 -6 -3
Curve Equation t 16240i1 [0,1,0,-145,-725] 1
16240j (4 curves)	0	2- 5+ 7+ 29+	2-  2 5+ 7+  6  2  6  4
Curve Equation t 16240j1 [0,-1,0,-581,-4900] 2 16240j2 [0,-1,0,-9156,-334180] 2 16240j3 [0,-1,0,-8421,299096] 2 16240j4 [0,-1,0,-12796,-40404] 2
16240k (2 curves)	2	2- 5+ 7+ 29+	2- -2 5+ 7+  0 -2  0 -6
Curve Equation t Generators 16240k1 [0,1,0,-96,1204] 2 [-6:40:1]&[2:32:1] 16240k2 [0,1,0,-2416,44820] 2 [-36:294:1]&[2:200:1]
16240l (2 curves)	1	2- 5+ 7+ 29-	2-  0 5+ 7+ -6  6  0  4
Curve Equation t Generators 16240l1 [0,0,0,-68,-117] 2 [-7:4:1] 16240l2 [0,0,0,-943,-11142] 2 [446:9396:1]
16240m (3 curves)	1	2- 5+ 7+ 29-	2- -1 5+ 7+ -6 -4 -6  7
Curve Equation t Generators 16240m1 [0,-1,0,7171499,1773229085] 1 [23108:3536405:1] 16240m2 [0,-1,0,-113797941,485297446141] 1 [24036:3411125:1] 16240m3 [0,-1,0,-9315966581,346093858918525] 1 [186589181205492:4100482853515625:3170044709]
16240n (1 curve)	1	2- 5+ 7+ 29-	2-  3 5+ 7+  2  4 -6 -5
Curve Equation t Generators 16240n1 [0,0,0,32,-208] 1 [147:305:27]
16240o (2 curves)	1	2- 5+ 7- 29+	2-  2 5+ 7-  2 -6 -6  8
Curve Equation t Generators 16240o1 [0,-1,0,-21,-4] 2 [58:105:8] 16240o2 [0,-1,0,-196,1116] 2 [2238:2051:216]
16240p (2 curves)	0	2- 5+ 7- 29-	2-  0 5+ 7-  2  6  8  6
Curve Equation t 16240p1 [0,0,0,-8048,-277797] 2 16240p2 [0,0,0,-6823,-365262] 2
16240q (4 curves)	1	2- 5- 7+ 29+	2-  2 5- 7+  0  2  0 -2
Curve Equation t Generators 16240q1 [0,-1,0,26560,883712] 2 [229:4350:1] 16240q2 [0,-1,0,-121920,7654400] 2 [-160:4800:1] 16240q3 [0,-1,0,-517440,146112512] 2 [9984:61568:27] 16240q4 [0,-1,0,-8321920,9243014400] 2 [1440:15600:1]
16240r (4 curves)	1	2- 5- 7+ 29+	2-  2 5- 7+ -6  2  6 -2
Curve Equation t Generators 16240r1 [0,-1,0,-151025,-22540000] 2 [6218520:8133265:13824] 16240r2 [0,-1,0,-150780,-22617028] 2 [1169:37380:1] 16240r3 [0,-1,0,-164025,-18417100] 2 [2946700517213370833400:3799581831126152731205:6495073849682210304] 16240r4 [0,-1,0,424220,-121007028] 2 [21023159421:777597786420:19465109]
16240s (2 curves)	0	2- 5- 7- 29+	2-  2 5- 7-  2  2 -2 -2
Curve Equation t 16240s1 [0,-1,0,-225,1352] 2 16240s2 [0,-1,0,20,3900] 2
16240t (4 curves)	1	2- 5- 7- 29-	2-  0 5- 7-  0 -2  2 -4
Curve Equation t Generators 16240t1 [0,0,0,253,-254] 2 [12315:263168:27] 16240t2 [0,0,0,-1027,-2046] 4 [-30:42:1] 16240t3 [0,0,0,-12227,-519486] 2 [14610:623181:8] 16240t4 [0,0,0,-10307,400706] 4 [-113:350:1]
16240u (1 curve)	1	2- 5- 7- 29-	2-  1 5- 7- -2 -4  2  1
Curve Equation t Generators 16240u1 [0,1,0,-18565,969775] 1 [75:70:1]

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