Cremona's table of elliptic curves

81627 = 3 · 7 · 13² · 23

Class	r	Atkin-Lehner	Eigenvalues
81627a (1 curve)	1	3+ 7+ 13+ 23+	0 3+ -1 7+ -5 13+ -3  8
Curve Equation t Generators 81627a1 [0,-1,1,-4190411,-3178716370] 1 [12112:1312538:1]
81627b (1 curve)	1	3+ 7+ 13+ 23+	0 3+  2 7+  3 13+ -1  2
Curve Equation t Generators 81627b1 [0,-1,1,-31997,1874108] 1 [9572:41035:64]
81627c (1 curve)	1	3+ 7+ 13+ 23+	0 3+ -2 7+ -3 13+ -4  1
Curve Equation t Generators 81627c1 [0,-1,1,2141,-269826] 1 [516:11745:1]
81627d (4 curves)	1	3+ 7+ 13+ 23+	-1 3+  2 7+  0 13+  2  4
Curve Equation t Generators 81627d1 [1,1,1,-1392817,632107094] 4 [10817482794:8424741301:15438249] 81627d2 [1,1,1,-1393662,631300626] 4 [30360:580954:27] 81627d3 [1,1,1,-868917,1113016536] 2 [3632:212391:1] 81627d4 [1,1,1,-1931927,97987664] 2 [-476:30404:1]
81627e (1 curve)	1	3+ 7+ 13+ 23+	2 3+ -4 7+ -3 13+ -4  7
Curve Equation t Generators 81627e1 [0,-1,1,17348470,101550722717] 1 [28608383432388167193461484530:12636620624828491830229658045737:146696527244574978469352]
81627f (1 curve)	1	3+ 7+ 13+ 23+	-2 3+ -3 7+ -3 13+  3 -2
Curve Equation t Generators 81627f1 [0,-1,1,-22702,1199460] 1 [282:4140:1]
81627g (1 curve)	0	3+ 7+ 13+ 23-	1 3+  1 7+  0 13+ -2  1
Curve Equation t 81627g1 [1,1,0,-71997,8032302] 1
81627h (1 curve)	0	3+ 7+ 13+ 23-	2 3+  0 7+  5 13+  1  2
Curve Equation t 81627h1 [0,-1,1,-34702178,-11462009869] 1
81627i (1 curve)	0	3+ 7+ 13+ 23-	2 3+  4 7+  5 13+ -1  6
Curve Equation t 81627i1 [0,-1,1,-1585276,659618559] 1
81627j (2 curves)	1	3+ 7+ 13- 23-	-1 3+  0 7+ -2 13- -2 -4
Curve Equation t Generators 81627j1 [1,1,1,-64308,1646172] 2 [20012:2820828:1] 81627j2 [1,1,1,-602573,-178995562] 2 [918:6061:1]
81627k (1 curve)	0	3+ 7- 13+ 23+	0 3+  1 7-  5 13+ -3 -8
Curve Equation t 81627k1 [0,-1,1,-24795,-1439215] 1
81627l (1 curve)	0	3+ 7- 13+ 23+	2 3+  3 7-  3 13+  3  2
Curve Equation t 81627l1 [0,-1,1,-134,587] 1
81627m (1 curve)	1	3+ 7- 13+ 23-	-1 3+ -1 7-  0 13+ -2 -1
Curve Equation t Generators 81627m1 [1,1,1,-426,3492] 1 [18:-55:1]
81627n (1 curve)	1	3+ 7- 13+ 23-	2 3+  0 7-  3 13+ -5  6
Curve Equation t Generators 81627n1 [0,-1,1,-1408,-13791] 1 [-214:503:8]
81627o (2 curves)	0	3+ 7- 13- 23-	1 3+  0 7-  2 13- -2  4
Curve Equation t 81627o1 [1,1,0,-380,603] 2 81627o2 [1,1,0,-3565,-82844] 2
81627p (1 curve)	0	3- 7+ 13+ 23+	1 3-  1 7+ -2 13+  6  5
Curve Equation t 81627p1 [1,0,1,-33713,-2424355] 1
81627q (1 curve)	0	3- 7+ 13+ 23+	-1 3-  1 7+  2 13+  2  1
Curve Equation t 81627q1 [1,0,0,-595,-80146] 1
81627r (1 curve)	1	3- 7+ 13+ 23-	-2 3-  0 7+ -1 13+  4  3
Curve Equation t Generators 81627r1 [0,1,1,282,1538] 1 [58:503:8]
81627s (1 curve)	1	3- 7+ 13+ 23-	-2 3-  0 7+  5 13+ -5  6
Curve Equation t Generators 81627s1 [0,1,1,-9441748,-824087078] 1 [-2791:61600:1]
81627t (1 curve)	1	3- 7- 13+ 23+	1 3- -1 7- -2 13+  2 -1
Curve Equation t Generators 81627t1 [1,0,1,-4,-37] 1 [147:200:27]
81627u (6 curves)	1	3- 7- 13+ 23+	1 3-  2 7-  4 13+  2 -4
Curve Equation t Generators 81627u1 [1,0,1,300985,295942493] 2 [13398:586487:8] 81627u2 [1,0,1,-5243060,4323136781] 4 [5487:372436:1] 81627u3 [1,0,1,-16810265,-21379192729] 4 [6080190:315074527:1000] 81627u4 [1,0,1,-82380575,287788076903] 2 [472884:18145681:64] 81627u5 [1,0,1,35489320,-127902987457] 4 [27279921577772532:-5327161871391529727:735825189952] 81627u6 [1,0,1,-254185130,-1559758217821] 2 [8805660306390:-1559955429397013:226981000]
81627v (1 curve)	1	3- 7- 13+ 23+	-1 3- -1 7-  2 13+  6 -5
Curve Equation t Generators 81627v1 [1,0,0,-5697416,-5320609971] 1 [2887:46468:1]
81627w (1 curve)	1	3- 7- 13+ 23+	2 3-  0 7- -3 13+  0  1
Curve Equation t Generators 81627w1 [0,1,1,-390108,94015055] 1 [2346:17741:8]
81627x (1 curve)	1	3- 7- 13+ 23+	-2 3- -4 7-  5 13+  0  5
Curve Equation t Generators 81627x1 [0,1,1,-16280,-938440] 1 [160:760:1]
81627y (2 curves)	0	3- 7- 13+ 23-	-1 3- -2 7- -2 13+  0  4
Curve Equation t 81627y1 [1,0,0,1771,-135240] 2 81627y2 [1,0,0,-31184,-1987311] 2

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