Cremona's table of elliptic curves

21440 = 2⁶ · 5 · 67

Class	r	Atkin-Lehner	Eigenvalues
21440a (1 curve)	1	2+ 5+ 67+	2+  0 5+  1  1  2  2  6
Curve Equation t Generators 21440a1 [0,0,0,-264908,52965232] 1 [-291:10267:1]
21440b (1 curve)	1	2+ 5+ 67+	2+  0 5+  1  5  2 -6 -2
Curve Equation t Generators 21440b1 [0,0,0,-33548,-4634128] 1 [114545971:164804357:493039]
21440c (1 curve)	1	2+ 5+ 67+	2+  0 5+ -2  2  2 -3  1
Curve Equation t Generators 21440c1 [0,0,0,-8,18] 1 [-1:5:1]
21440d (2 curves)	1	2+ 5+ 67+	2+  2 5+ -1 -3  4  0 -2
Curve Equation t Generators 21440d1 [0,-1,0,159,3041] 1 [8:69:1] 21440d2 [0,-1,0,-1441,-87519] 1 [108024:1897293:343]
21440e (1 curve)	1	2+ 5+ 67+	2+  3 5+  1 -2  2 -4  0
Curve Equation t Generators 21440e1 [0,0,0,-28,152] 1 [39:289:27]
21440f (1 curve)	0	2+ 5+ 67-	2+ -1 5+  1  0  2 -6  4
Curve Equation t 21440f1 [0,-1,0,-321,-4055] 1
21440g (1 curve)	0	2+ 5+ 67-	2+  2 5+ -2 -4  6 -1 -5
Curve Equation t 21440g1 [0,-1,0,219,125] 1
21440h (1 curve)	2	2+ 5- 67+	2+  0 5- -5  3 -6 -6  2
Curve Equation t Generators 21440h1 [0,0,0,-812,9264] 1 [-10:128:1]&[5:73:1]
21440i (1 curve)	0	2+ 5- 67+	2+  1 5- -1  0 -2  2 -4
Curve Equation t 21440i1 [0,1,0,15,23] 1
21440j (1 curve)	0	2+ 5- 67+	2+ -1 5-  1  6 -2  4  8
Curve Equation t 21440j1 [0,-1,0,-25,65] 1
21440k (1 curve)	0	2+ 5- 67+	2+  2 5-  1  3  4  4  2
Curve Equation t 21440k1 [0,-1,0,2815,-322303] 1
21440l (1 curve)	2	2+ 5- 67+	2+ -2 5- -3 -1  0  0 -6
Curve Equation t Generators 21440l1 [0,1,0,-5825,169375] 1 [-85:240:1]&[10:335:1]
21440m (1 curve)	1	2+ 5- 67-	2+  0 5- -2  2 -6  1 -1
Curve Equation t Generators 21440m1 [0,0,0,-16112,-802784] 1 [177:1375:1]
21440n (1 curve)	1	2+ 5- 67-	2+ -1 5-  5  0 -2  2 -4
Curve Equation t Generators 21440n1 [0,-1,0,-4825,130625] 1 [40:5:1]
21440o (1 curve)	1	2+ 5- 67-	2+  2 5-  2  0 -2 -1 -1
Curve Equation t Generators 21440o1 [0,-1,0,-26165,5895725] 1 [1660:67335:1]
21440p (1 curve)	0	2- 5+ 67+	2-  1 5+ -1  0  2 -6 -4
Curve Equation t 21440p1 [0,1,0,-321,4055] 1
21440q (1 curve)	0	2- 5+ 67+	2- -2 5+  2  4  6 -1  5
Curve Equation t 21440q1 [0,1,0,219,-125] 1
21440r (1 curve)	2	2- 5+ 67+	2- -2 5+  3 -5 -4 -4 -6
Curve Equation t Generators 21440r1 [0,1,0,-1,159] 1 [-5:8:1]&[-3:12:1]
21440s (1 curve)	1	2- 5+ 67-	2-  0 5+ -1 -1  2  2 -6
Curve Equation t Generators 21440s1 [0,0,0,-264908,-52965232] 1 [2176:98356:1]
21440t (1 curve)	1	2- 5+ 67-	2-  0 5+ -1 -5  2 -6  2
Curve Equation t Generators 21440t1 [0,0,0,-33548,4634128] 1 [96:1516:1]
21440u (1 curve)	1	2- 5+ 67-	2-  0 5+  2 -2  2 -3 -1
Curve Equation t Generators 21440u1 [0,0,0,-8,-18] 1 [11:35:1]
21440v (1 curve)	1	2- 5+ 67-	2-  2 5+ -3  5 -4 -4  6
Curve Equation t Generators 21440v1 [0,-1,0,-1,-159] 1 [39:240:1]
21440w (2 curves)	1	2- 5+ 67-	2- -2 5+  1  3  4  0  2
Curve Equation t Generators 21440w1 [0,1,0,159,-3041] 1 [21:100:1] 21440w2 [0,1,0,-1441,87519] 1 [-43:268:1]
21440x (1 curve)	1	2- 5+ 67-	2- -3 5+ -1  2  2 -4  0
Curve Equation t Generators 21440x1 [0,0,0,-28,-152] 1 [13:41:1]
21440y (1 curve)	1	2- 5- 67+	2-  0 5-  2 -2 -6  1  1
Curve Equation t Generators 21440y1 [0,0,0,-16112,802784] 1 [73:125:1]
21440z (1 curve)	1	2- 5- 67+	2-  1 5- -5  0 -2  2  4
Curve Equation t Generators 21440z1 [0,1,0,-4825,-130625] 1 [90:415:1]
21440ba (1 curve)	1	2- 5- 67+	2- -2 5- -2  0 -2 -1  1
Curve Equation t Generators 21440ba1 [0,1,0,-26165,-5895725] 1 [310:3985:1]
21440bb (1 curve)	0	2- 5- 67-	2-  0 5-  5 -3 -6 -6 -2
Curve Equation t 21440bb1 [0,0,0,-812,-9264] 1
21440bc (1 curve)	0	2- 5- 67-	2-  1 5- -1 -6 -2  4 -8
Curve Equation t 21440bc1 [0,1,0,-25,-65] 1
21440bd (1 curve)	0	2- 5- 67-	2- -1 5-  1  0 -2  2  4
Curve Equation t 21440bd1 [0,-1,0,15,-23] 1
21440be (1 curve)	0	2- 5- 67-	2-  2 5-  3  1  0  0  6
Curve Equation t 21440be1 [0,-1,0,-5825,-169375] 1
21440bf (1 curve)	0	2- 5- 67-	2- -2 5- -1 -3  4  4 -2
Curve Equation t 21440bf1 [0,1,0,2815,322303] 1

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