Cremona's table of elliptic curves

21056 = 2⁶ · 7 · 47

Class	r	Atkin-Lehner	Eigenvalues
21056a (2 curves)	1	2+ 7+ 47+	2+  0  0 7+ -2 -4  6 -2
Curve Equation t Generators 21056a1 [0,0,0,-460,5616] 2 [-10:96:1] 21056a2 [0,0,0,-8300,290992] 2 [-42:752:1]
21056b (2 curves)	1	2+ 7+ 47+	2+  0 -2 7+  0  2  2 -2
Curve Equation t Generators 21056b1 [0,0,0,44,-96] 2 [4:12:1] 21056b2 [0,0,0,-236,-880] 2 [32:156:1]
21056c (2 curves)	1	2+ 7+ 47+	2+ -2 -2 7+  6  6 -2  0
Curve Equation t Generators 21056c1 [0,1,0,-449,-3809] 2 [115:1216:1] 21056c2 [0,1,0,-609,-1025] 2 [-22:47:1]
21056d (1 curve)	0	2+ 7+ 47-	2+  1  1 7+ -1 -2  0  2
Curve Equation t 21056d1 [0,1,0,-7488545,9348107327] 1
21056e (1 curve)	0	2+ 7+ 47-	2+  1  1 7+  5 -2 -6 -4
Curve Equation t 21056e1 [0,1,0,1535,-16289] 1
21056f (1 curve)	2	2+ 7+ 47-	2+  1 -1 7+ -3 -6 -4  6
Curve Equation t Generators 21056f1 [0,1,0,-1,223] 1 [3:16:1]&[9:32:1]
21056g (1 curve)	0	2+ 7+ 47-	2+  1 -3 7+ -3  6  6 -8
Curve Equation t 21056g1 [0,1,0,15743,-751649] 1
21056h (2 curves)	0	2+ 7+ 47-	2+ -2 -2 7+  2 -2  6 -4
Curve Equation t 21056h1 [0,1,0,-609,4351] 2 21056h2 [0,1,0,-3169,-65793] 2
21056i (2 curves)	0	2+ 7- 47+	2+  0  4 7-  2  0 -2  6
Curve Equation t 21056i1 [0,0,0,106772,10338480] 2 21056i2 [0,0,0,-548588,92913840] 2
21056j (1 curve)	2	2+ 7- 47+	2+ -1 -1 7- -1  2 -8 -2
Curve Equation t Generators 21056j1 [0,-1,0,-3841,93569] 1 [-17:392:1]&[25:112:1]
21056k (2 curves)	2	2+ 7- 47+	2+ -1 -3 7- -3 -2  0 -2
Curve Equation t Generators 21056k1 [0,-1,0,223,6049] 1 [-13:28:1]&[-7:64:1] 21056k2 [0,-1,0,-2017,-170911] 1 [73:256:1]&[83:476:1]
21056l (1 curve)	0	2+ 7- 47+	2+  3  1 7- -1  6 -2  0
Curve Equation t 21056l1 [0,0,0,-1132,14768] 1
21056m (2 curves)	1	2+ 7- 47-	2+  0 -2 7-  0  2  2  2
Curve Equation t Generators 21056m1 [0,0,0,44,96] 2 [5:21:1] 21056m2 [0,0,0,-236,880] 2 [13:3:1]
21056n (4 curves)	1	2- 7+ 47-	2-  0 -2 7+  4 -2  2 -4
Curve Equation t Generators 21056n1 [0,0,0,-3071,-65504] 2 [3439328:56617752:12167] 21056n2 [0,0,0,-3076,-65280] 4 [1122:37536:1] 21056n3 [0,0,0,-1196,-144240] 2 [1938252:64880585:1728] 21056n4 [0,0,0,-5036,28016] 4 [70:136:1]
21056o (2 curves)	1	2- 7+ 47-	2-  0  4 7+ -2  0 -2 -6
Curve Equation t Generators 21056o1 [0,0,0,106772,-10338480] 2 [13138417792290:-555840971472896:7587307125] 21056o2 [0,0,0,-548588,-92913840] 2 [-546195330:-11469480960:2248091]
21056p (1 curve)	1	2- 7+ 47-	2-  1 -1 7+  1  2 -8  2
Curve Equation t Generators 21056p1 [0,1,0,-3841,-93569] 1 [36651:1349416:27]
21056q (2 curves)	1	2- 7+ 47-	2-  1 -3 7+  3 -2  0  2
Curve Equation t Generators 21056q1 [0,1,0,223,-6049] 1 [65:536:1] 21056q2 [0,1,0,-2017,170911] 1 [33:376:1]
21056r (1 curve)	1	2- 7+ 47-	2-  1 -3 7+ -3 -2 -6  4
Curve Equation t Generators 21056r1 [0,1,0,-12,14] 1 [1:2:1]
21056s (2 curves)	1	2- 7+ 47-	2-  2  2 7+  2 -6  6 -4
Curve Equation t Generators 21056s1 [0,-1,0,-21497,1220345] 2 [535:11940:1] 21056s2 [0,-1,0,-21537,1215617] 2 [2487:1880:27]
21056t (1 curve)	1	2- 7+ 47-	2- -3  1 7+  1  6 -2  0
Curve Equation t Generators 21056t1 [0,0,0,-1132,-14768] 1 [112:1124:1]
21056u (4 curves)	1	2- 7- 47+	2-  0 -2 7- -4 -2  2  4
Curve Equation t Generators 21056u1 [0,0,0,-3071,65504] 2 [912:476:27] 21056u2 [0,0,0,-3076,65280] 4 [48:168:1] 21056u3 [0,0,0,-1196,144240] 4 [-58:136:1] 21056u4 [0,0,0,-5036,-28016] 2 [76:168:1]
21056v (1 curve)	1	2- 7- 47+	2- -1  1 7-  1 -2  0 -2
Curve Equation t Generators 21056v1 [0,-1,0,-7488545,-9348107327] 1 [7239:561904:1]
21056w (1 curve)	1	2- 7- 47+	2- -1  1 7- -5 -2 -6  4
Curve Equation t Generators 21056w1 [0,-1,0,1535,16289] 1 [-5:92:1]
21056x (1 curve)	1	2- 7- 47+	2- -1 -1 7-  3 -6 -4 -6
Curve Equation t Generators 21056x1 [0,-1,0,-1,-223] 1 [7:8:1]
21056y (1 curve)	1	2- 7- 47+	2- -1 -3 7-  3 -2 -6 -4
Curve Equation t Generators 21056y1 [0,-1,0,-12,-14] 1 [7:14:1]
21056z (1 curve)	1	2- 7- 47+	2- -1 -3 7-  3  6  6  8
Curve Equation t Generators 21056z1 [0,-1,0,15743,751649] 1 [59:1372:1]
21056ba (2 curves)	1	2- 7- 47+	2-  2 -2 7- -2 -2  6  4
Curve Equation t Generators 21056ba1 [0,-1,0,-609,-4351] 2 [-2370:6443:216] 21056ba2 [0,-1,0,-3169,65793] 2 [-24:357:1]
21056bb (2 curves)	1	2- 7- 47+	2- -2  2 7- -2 -6  6  4
Curve Equation t Generators 21056bb1 [0,1,0,-21497,-1220345] 2 [203:1680:1] 21056bb2 [0,1,0,-21537,-1215617] 2 [-83:84:1]
21056bc (2 curves)	0	2- 7- 47-	2-  0  0 7-  2 -4  6  2
Curve Equation t 21056bc1 [0,0,0,-460,-5616] 2 21056bc2 [0,0,0,-8300,-290992] 2
21056bd (2 curves)	0	2- 7- 47-	2-  2 -2 7- -6  6 -2  0
Curve Equation t 21056bd1 [0,-1,0,-449,3809] 2 21056bd2 [0,-1,0,-609,1025] 2

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