Cremona's table of elliptic curves

21528 = 2³ · 3² · 13 · 23

Class	r	Atkin-Lehner	Eigenvalues
21528a (1 curve)	0	2+ 3- 13+ 23+	2+ 3-  1 -1 -2 13+ -7  0
Curve Equation t 21528a1 [0,0,0,2733,31502] 1
21528b (2 curves)	2	2+ 3- 13+ 23+	2+ 3- -2 -2  0 13+ -6 -2
Curve Equation t Generators 21528b1 [0,0,0,-246,-1375] 2 [-8:9:1]&[-7:2:1] 21528b2 [0,0,0,-831,7634] 2 [-26:108:1]&[-5:108:1]
21528c (2 curves)	1	2+ 3- 13+ 23-	2+ 3-  0  2  0 13+ -4 -6
Curve Equation t Generators 21528c1 [0,0,0,8745,8746] 2 [2:162:1] 21528c2 [0,0,0,-34995,69982] 2 [-1:324:1]
21528d (2 curves)	1	2+ 3- 13+ 23-	2+ 3-  2  2  0 13+  2  2
Curve Equation t Generators 21528d1 [0,0,0,-157494,20704057] 2 [-304:6363:1] 21528d2 [0,0,0,-2421039,1449906370] 2 [952049:43541100:343]
21528e (2 curves)	1	2+ 3- 13- 23+	2+ 3-  0 -2 -2 13-  6  2
Curve Equation t Generators 21528e1 [0,0,0,-3090,-65999] 2 [245:3726:1] 21528e2 [0,0,0,-2055,-110918] 2 [114:1066:1]
21528f (2 curves)	0	2+ 3- 13- 23-	2+ 3-  0 -2 -2 13-  2  6
Curve Equation t 21528f1 [0,0,0,-1335,-22102] 2 21528f2 [0,0,0,-22395,-1289914] 2
21528g (4 curves)	0	2+ 3- 13- 23-	2+ 3-  2  4 -4 13-  6  4
Curve Equation t 21528g1 [0,0,0,3561,127658] 2 21528g2 [0,0,0,-26859,1362710] 4 21528g3 [0,0,0,-134499,-17775682] 2 21528g4 [0,0,0,-405939,99544430] 2
21528h (4 curves)	0	2+ 3- 13- 23-	2+ 3- -2  0  0 13- -2  8
Curve Equation t 21528h1 [0,0,0,-27724791,-56438670134] 2 21528h2 [0,0,0,-444144171,-3602749394090] 4 21528h3 [0,0,0,-444691731,-3593420833394] 2 21528h4 [0,0,0,-7106306691,-230575964287970] 2
21528i (2 curves)	1	2- 3- 13+ 23+	2- 3- -2 -2  4 13+ -2  6
Curve Equation t Generators 21528i1 [0,0,0,-246,-731] 2 [-10:27:1] 21528i2 [0,0,0,-3351,-74630] 2 [-33:4:1]
21528j (2 curves)	0	2- 3- 13+ 23-	2- 3-  2  2 -4 13+ -2 -6
Curve Equation t 21528j1 [0,0,0,-8454,-92635] 2 21528j2 [0,0,0,-107319,-13518502] 2
21528k (2 curves)	2	2- 3- 13- 23+	2- 3-  0 -2 -6 13- -2 -6
Curve Equation t Generators 21528k1 [0,0,0,-5970,170237] 2 [-71:486:1]&[-38:585:1] 21528k2 [0,0,0,3345,652754] 2 [-35:702:1]&[-22:754:1]
21528l (2 curves)	0	2- 3- 13- 23+	2- 3-  2  2  0 13-  6  8
Curve Equation t 21528l1 [0,0,0,-2739,59902] 2 21528l2 [0,0,0,-44859,3656950] 2
21528m (4 curves)	0	2- 3- 13- 23+	2- 3-  2 -4  0 13- -2  0
Curve Equation t 21528m1 [0,0,0,-1373394,-86647147] 2 21528m2 [0,0,0,-13966239,19993903490] 4 21528m3 [0,0,0,-6253419,41967727670] 2 21528m4 [0,0,0,-223164579,1283175320078] 2
21528n (2 curves)	0	2- 3- 13- 23+	2- 3- -4  0  4 13-  0  6
Curve Equation t 21528n1 [0,0,0,-867,-12530] 2 21528n2 [0,0,0,-14907,-700490] 2
21528o (2 curves)	2	2- 3- 13- 23+	2- 3- -4 -2 -6 13-  2  2
Curve Equation t Generators 21528o1 [0,0,0,-282,1285] 2 [-18:23:1]&[-7:54:1] 21528o2 [0,0,0,753,8530] 2 [-7:54:1]&[3:104:1]
21528p (2 curves)	1	2- 3- 13- 23-	2- 3-  0 -2 -2 13- -2 -2
Curve Equation t Generators 21528p1 [0,0,0,465,466] 2 [5:54:1] 21528p2 [0,0,0,-1875,3742] 2 [-21:184:1]
21528q (4 curves)	1	2- 3- 13- 23-	2- 3- -2  0  4 13-  6 -4
Curve Equation t Generators 21528q1 [0,0,0,654,-3395] 2 [21:140:1] 21528q2 [0,0,0,-2991,-28910] 4 [-33:184:1] 21528q3 [0,0,0,-24051,1415806] 2 [-109:1656:1] 21528q4 [0,0,0,-40251,-3106586] 2 [-114:22:1]

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