Cremona's table of elliptic curves

17940 = 2² · 3 · 5 · 13 · 23

Class	r	Atkin-Lehner	Eigenvalues
17940a (1 curve)	1	2- 3+ 5+ 13+ 23-	2- 3+ 5+  1 -3 13+  8 -2
Curve Equation t Generators 17940a1 [0,-1,0,-454156,118429000] 1 [-181713:4971266:343]
17940b (1 curve)	1	2- 3+ 5+ 13- 23+	2- 3+ 5+  5 -3 13- -4 -6
Curve Equation t Generators 17940b1 [0,-1,0,-156,936] 1 [5:16:1]
17940c (2 curves)	1	2- 3+ 5- 13+ 23+	2- 3+ 5- -2  4 13+  6  0
Curve Equation t Generators 17940c1 [0,-1,0,-185,-858] 2 [186:663:8] 17940c2 [0,-1,0,140,-3848] 2 [4542:19261:216]
17940d (2 curves)	1	2- 3+ 5- 13- 23-	2- 3+ 5-  0  2 13-  2 -8
Curve Equation t Generators 17940d1 [0,-1,0,-85,-158] 2 [-6:10:1] 17940d2 [0,-1,0,260,-1400] 2 [57:442:1]
17940e (2 curves)	1	2- 3- 5+ 13+ 23+	2- 3- 5+ -2 -4 13+  2  4
Curve Equation t Generators 17940e1 [0,1,0,-1841,29784] 2 [37:-117:1] 17940e2 [0,1,0,-1516,40964] 2 [20:138:1]
17940f (2 curves)	0	2- 3- 5+ 13+ 23-	2- 3- 5+  4  0 13+  2  6
Curve Equation t 17940f1 [0,1,0,-1581,-21456] 2 17940f2 [0,1,0,2644,-112716] 2
17940g (4 curves)	2	2- 3- 5+ 13- 23+	2- 3- 5+ -4 -6 13- -6 -4
Curve Equation t Generators 17940g1 [0,1,0,-18101,930924] 6 [-149:585:1]&[-131:1035:1] 17940g2 [0,1,0,-14996,1263780] 6 [-128:1050:1]&[-101:1326:1] 17940g3 [0,1,0,-55541,-3937680] 2 [-180:510:1]&[352:4500:1] 17940g4 [0,1,0,126964,-24232236] 2 [2031:92820:1]&[11937:293930:27]
17940h (2 curves)	0	2- 3- 5- 13+ 23+	2- 3- 5-  0  4 13+  4  0
Curve Equation t 17940h1 [0,1,0,-125,-2352] 2 17940h2 [0,1,0,-3500,-80652] 2
17940i (2 curves)	0	2- 3- 5- 13+ 23+	2- 3- 5- -4  4 13+  0 -4
Curve Equation t 17940i1 [0,1,0,75,0] 2 17940i2 [0,1,0,-300,-300] 2
17940j (2 curves)	1	2- 3- 5- 13+ 23-	2- 3- 5-  2 -4 13+  6 -4
Curve Equation t Generators 17940j1 [0,1,0,-1019585,36657108] 2 [-464:20250:1] 17940j2 [0,1,0,4058540,296657108] 2 [2411:155250:1]
17940k (1 curve)	1	2- 3- 5- 13+ 23-	2- 3- 5- -3  1 13+ -4  6
Curve Equation t Generators 17940k1 [0,1,0,140,260] 1 [4:30:1]
17940l (2 curves)	1	2- 3- 5- 13- 23+	2- 3- 5- -1 -3 13-  0  2
Curve Equation t Generators 17940l1 [0,1,0,-2340,-106812] 3 [71:300:1] 17940l2 [0,1,0,-257340,-50332812] 1 [1631:62220:1]

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