Cremona's table of elliptic curves

20776 = 2³ · 7² · 53

Class	r	Atkin-Lehner	Eigenvalues
20776a (1 curve)	1	2+ 7+ 53+	2+  2  0 7+ -5 -1  5  2
Curve Equation t Generators 20776a1 [0,-1,0,-1143,14876] 1 [23:15:1]
20776b (1 curve)	0	2+ 7+ 53-	2+  0  4 7+ -1  7  5  0
Curve Equation t 20776b1 [0,0,0,-8918,-324135] 1
20776c (1 curve)	2	2+ 7- 53+	2+ -2  0 7- -5  1 -5 -2
Curve Equation t Generators 20776c1 [0,1,0,-23,-50] 1 [-3:1:1]&[17:69:1]
20776d (4 curves)	1	2+ 7- 53-	2+  0  2 7- -4  2 -2  0
Curve Equation t Generators 20776d1 [0,0,0,-42434,-3364487] 2 [246288:23516423:27] 20776d2 [0,0,0,-42679,-3323670] 4 [318950287761:30454432285760:34965783] 20776d3 [0,0,0,-94619,6347558] 2 [-21112:1633513:512] 20776d4 [0,0,0,5341,-10382610] 2 [2265199:46632580:4913]
20776e (1 curve)	1	2+ 7- 53-	2+  0 -4 7- -1 -7 -5  0
Curve Equation t Generators 20776e1 [0,0,0,-182,945] 1 [8:1:1]
20776f (2 curves)	1	2+ 7- 53-	2+  2  2 7-  0 -4  4 -6
Curve Equation t Generators 20776f1 [0,-1,0,-492,-4108] 2 [71937:691012:729] 20776f2 [0,-1,0,-7912,-268260] 2 [2117504745:12118359140:17779581]
20776g (2 curves)	1	2+ 7- 53-	2+  2  4 7- -4  2 -6 -6
Curve Equation t Generators 20776g1 [0,-1,0,-751,7428] 2 [849:3185:27] 20776g2 [0,-1,0,964,34868] 2 [104494:947640:2197]
20776h (2 curves)	1	2+ 7- 53-	2+ -2 -2 7-  0  4 -4  6
Curve Equation t Generators 20776h1 [0,1,0,-24124,1457280] 2 [32:848:1] 20776h2 [0,1,0,-387704,92788576] 2 [375:524:1]
20776i (1 curve)	0	2- 7+ 53+	2-  0  0 7+  1  5 -3 -6
Curve Equation t 20776i1 [0,0,0,-1715,-4802] 1
20776j (1 curve)	1	2- 7+ 53-	2-  0 -4 7+  5 -1 -3 -4
Curve Equation t Generators 20776j1 [0,0,0,-1127,490] 1 [-27:106:1]
20776k (1 curve)	1	2- 7- 53+	2-  0  0 7-  1 -5  3  6
Curve Equation t Generators 20776k1 [0,0,0,-35,14] 1 [-5:8:1]
20776l (1 curve)	1	2- 7- 53+	2-  0  3 7-  1 -2  6 -3
Curve Equation t Generators 20776l1 [0,0,0,-11956,14294868] 1 [-28:3822:1]
20776m (1 curve)	1	2- 7- 53+	2- -1  2 7- -2 -1 -3 -3
Curve Equation t Generators 20776m1 [0,-1,0,768,-25892] 1 [166:2156:1]
20776n (1 curve)	1	2- 7- 53+	2-  3 -2 7-  2 -5 -3  1
Curve Equation t Generators 20776n1 [0,0,0,-124411,16950374] 1 [5313:8036:27]
20776o (1 curve)	0	2- 7- 53-	2-  0  4 7-  5  1  3  4
Curve Equation t 20776o1 [0,0,0,-55223,-168070] 1
20776p (2 curves)	2	2- 7- 53-	2- -2  0 7- -4 -2  2 -2
Curve Equation t Generators 20776p1 [0,1,0,-3348,82144] 2 [-40:392:1]&[-18:370:1] 20776p2 [0,1,0,-55288,4985280] 2 [-208:2744:1]&[72:1176:1]

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