Cremona's table of elliptic curves

25641 = 3² · 7 · 11 · 37

Class	r	Atkin-Lehner	Eigenvalues
25641a (2 curves)	2	3+ 7- 11+ 37+	-1 3+ -2 7- 11+ -2 -2 -6
Curve Equation t Generators 25641a1 [1,-1,1,-19091,1490266] 2 [-118:1504:1]&[-55:1567:1] 25641a2 [1,-1,1,-343226,77467510] 2 [-482:11675:1]&[85:6950:1]
25641b (1 curve)	0	3+ 7- 11+ 37+	2 3+  0 7- 11+  0 -3  0
Curve Equation t 25641b1 [0,0,1,-13095,652529] 1
25641c (2 curves)	1	3+ 7- 11- 37+	1 3+  2 7- 11- -2  2 -6
Curve Equation t Generators 25641c1 [1,-1,0,-2121,-54488] 2 [742:5509:8] 25641c2 [1,-1,0,-38136,-2856455] 2 [-112:77:1]
25641d (1 curve)	1	3+ 7- 11- 37+	-2 3+  0 7- 11-  0  3  0
Curve Equation t Generators 25641d1 [0,0,1,-1455,-24168] 1 [122:1270:1]
25641e (6 curves)	1	3- 7+ 11+ 37-	1 3-  2 7+ 11+ -2 -2  4
Curve Equation t Generators 25641e1 [1,-1,0,101619,11169400] 2 [1171577220:97824553798:166375] 25641e2 [1,-1,0,-557226,103803007] 4 [28182:4715249:1] 25641e3 [1,-1,0,-3644541,-2600067470] 2 [-1242:3692:1] 25641e4 [1,-1,0,-8011431,8728318192] 4 [619779468:103324644401:21952] 25641e5 [1,-1,0,-7113996,10758136675] 2 [262454036929461300:-44038283213621864915:9298093413952] 25641e6 [1,-1,0,-128176146,558578021089] 2 [347122697332078668:54973610476997920961:11971271037376]
25641f (2 curves)	1	3- 7+ 11+ 37-	-1 3- -4 7+ 11+  4 -2  2
Curve Equation t Generators 25641f1 [1,-1,1,-36797,-2707540] 2 [-110:55:1] 25641f2 [1,-1,1,-38462,-2447800] 2 [-110:720:1]
25641g (2 curves)	1	3- 7- 11+ 37+	1 3-  0 7- 11+ -4  0  6
Curve Equation t Generators 25641g1 [1,-1,0,48,-1405] 2 [154:1831:1] 25641g2 [1,-1,0,-1617,-23716] 2 [-20:28:1]
25641h (1 curve)	0	3- 7- 11+ 37-	-2 3-  2 7- 11+  2 -3 -2
Curve Equation t 25641h1 [0,0,1,2031,-5576] 1
25641i (2 curves)	0	3- 7- 11- 37+	1 3-  0 7- 11-  0  0  6
Curve Equation t 25641i1 [1,-1,0,33453,-1714608] 2 25641i2 [1,-1,0,-168012,-15132177] 2
25641j (2 curves)	0	3- 7- 11- 37+	1 3-  2 7- 11- -2  8  0
Curve Equation t 25641j1 [1,-1,0,279,1192] 2 25641j2 [1,-1,0,-1386,11515] 2
25641k (2 curves)	0	3- 7- 11- 37+	1 3-  2 7- 11-  4 -4  0
Curve Equation t 25641k1 [1,-1,0,-481356,130284499] 2 25641k2 [1,-1,0,-7728651,8271895702] 2
25641l (2 curves)	0	3- 7- 11- 37+	-1 3-  0 7- 11-  4  0 -2
Curve Equation t 25641l1 [1,-1,1,-5879480,-65257290966] 2 25641l2 [1,-1,1,-281685065,-1806914399124] 2
25641m (1 curve)	1	3- 7- 11- 37-	2 3- -2 7- 11-  6 -7  2
Curve Equation t Generators 25641m1 [0,0,1,-287541651,1876719025107] 1 [214924892:1937641:21952]

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