Cremona's table of elliptic curves

28704 = 2⁵ · 3 · 13 · 23

Class	r	Atkin-Lehner	Eigenvalues
28704a (2 curves)	1	2+ 3+ 13+ 23+	2+ 3+  2  0  2 13+ -4  4
Curve Equation t Generators 28704a1 [0,-1,0,-1022,14208] 2 [-24:156:1] 28704a2 [0,-1,0,-16817,845025] 2 [219:2760:1]
28704b (2 curves)	0	2+ 3+ 13+ 23-	2+ 3+  0  2  0 13+ -4 -6
Curve Equation t 28704b1 [0,-1,0,-138,-1080] 2 28704b2 [0,-1,0,-2673,-52287] 2
28704c (2 curves)	0	2+ 3+ 13+ 23-	2+ 3+  4 -2  0 13+ -8  6
Curve Equation t 28704c1 [0,-1,0,2534,1742008] 2 28704c2 [0,-1,0,-202801,34390273] 2
28704d (2 curves)	0	2+ 3+ 13- 23+	2+ 3+  4 -2  0 13- -6 -6
Curve Equation t 28704d1 [0,-1,0,-546,-4212] 2 28704d2 [0,-1,0,-8481,-297807] 2
28704e (2 curves)	0	2+ 3+ 13- 23+	2+ 3+  4  4  6 13- -6  6
Curve Equation t 28704e1 [0,-1,0,-6652846,6607038448] 2 28704e2 [0,-1,0,-106445656,422743056148] 2
28704f (2 curves)	1	2+ 3+ 13- 23-	2+ 3+  0 -4  0 13-  8 -2
Curve Equation t Generators 28704f1 [0,-1,0,-18,-72] 2 [12:36:1] 28704f2 [0,-1,0,-408,-3036] 2 [25:42:1]
28704g (2 curves)	1	2+ 3+ 13- 23-	2+ 3+  0 -4 -2 13- -6  6
Curve Equation t Generators 28704g1 [0,-1,0,3042,0] 2 [104:1196:1] 28704g2 [0,-1,0,-12168,12168] 2 [-91:598:1]
28704h (2 curves)	1	2+ 3- 13+ 23-	2+ 3-  2  0 -2 13+ -4 -4
Curve Equation t Generators 28704h1 [0,1,0,-1022,-14208] 2 [64:432:1] 28704h2 [0,1,0,-16817,-845025] 2 [181:1440:1]
28704i (2 curves)	1	2+ 3- 13- 23+	2+ 3-  0  4  2 13- -6 -6
Curve Equation t Generators 28704i1 [0,1,0,3042,0] 2 [26:312:1] 28704i2 [0,1,0,-12168,-12168] 2 [143:1092:1]
28704j (2 curves)	1	2+ 3- 13- 23+	2+ 3- -2  2 -2 13-  4  4
Curve Equation t Generators 28704j1 [0,1,0,-3034,63872] 2 [14:156:1] 28704j2 [0,1,0,-48664,4115816] 2 [131:-78:1]
28704k (4 curves)	0	2+ 3- 13- 23-	2+ 3-  2  0  4 13-  6  4
Curve Equation t 28704k1 [0,1,0,-202,-1120] 4 28704k2 [0,1,0,143,-4225] 2 28704k3 [0,1,0,-592,4028] 2 28704k4 [0,1,0,-3192,-70488] 2
28704l (2 curves)	0	2+ 3- 13- 23-	2+ 3-  4  2  0 13- -6  6
Curve Equation t 28704l1 [0,1,0,-546,4212] 2 28704l2 [0,1,0,-8481,297807] 2
28704m (2 curves)	0	2+ 3- 13- 23-	2+ 3-  4 -4 -6 13- -6 -6
Curve Equation t 28704m1 [0,1,0,-6652846,-6607038448] 2 28704m2 [0,1,0,-106445656,-422743056148] 2
28704n (2 curves)	0	2- 3+ 13+ 23+	2- 3+  2  4 -2 13+  4 -8
Curve Equation t 28704n1 [0,-1,0,18,-72] 2 28704n2 [0,-1,0,-177,-735] 2
28704o (4 curves)	1	2- 3+ 13- 23+	2- 3+  2  0 -4 13-  6 -4
Curve Equation t Generators 28704o1 [0,-1,0,-202,1120] 4 [34:180:1] 28704o2 [0,-1,0,143,4225] 2 [0:65:1] 28704o3 [0,-1,0,-592,-4028] 2 [298:1245:8] 28704o4 [0,-1,0,-3192,70488] 2 [5745:17118:125]
28704p (2 curves)	0	2- 3+ 13- 23-	2- 3+ -2 -2  2 13-  4 -4
Curve Equation t 28704p1 [0,-1,0,-3034,-63872] 2 28704p2 [0,-1,0,-48664,-4115816] 2
28704q (2 curves)	1	2- 3- 13+ 23+	2- 3-  0 -2  0 13+ -4  6
Curve Equation t Generators 28704q1 [0,1,0,-138,1080] 2 [12:36:1] 28704q2 [0,1,0,-2673,52287] 2 [11:156:1]
28704r (2 curves)	1	2- 3- 13+ 23+	2- 3-  4  2  0 13+ -8 -6
Curve Equation t Generators 28704r1 [0,1,0,2534,-1742008] 2 [788:22140:1] 28704r2 [0,1,0,-202801,-34390273] 2 [-277:780:1]
28704s (2 curves)	0	2- 3- 13+ 23-	2- 3-  2 -4  2 13+  4  8
Curve Equation t 28704s1 [0,1,0,18,72] 2 28704s2 [0,1,0,-177,735] 2
28704t (2 curves)	0	2- 3- 13- 23+	2- 3-  0  4  0 13-  8  2
Curve Equation t 28704t1 [0,1,0,-18,72] 2 28704t2 [0,1,0,-408,3036] 2

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