Cremona's table of elliptic curves

490 = 2 · 5 · 7²

Class	r	Atkin-Lehner	Eigenvalues
490a (2 curves)	1	2+ 5+ 7+	2+  1 5+ 7+ -6 -4  0  2
Curve Equation t Generators 490a1 [1,0,1,121,46] 3 [1:12:1] 490a2 [1,0,1,-1594,-26708] 1 [53:169:1]
490b (2 curves)	0	2+ 5+ 7-	2+  2 5+ 7-  3  1  6  1
Curve Equation t 490b1 [1,1,0,17,-27] 1 490b2 [1,1,0,-158,1268] 1
490c (2 curves)	0	2+ 5- 7+	2+ -2 5- 7+  3 -1 -6 -1
Curve Equation t 490c1 [1,0,1,807,11708] 3 490c2 [1,0,1,-7768,-458202] 1
490d (2 curves)	1	2+ 5- 7-	2+ -1 5- 7- -6  4  0 -2
Curve Equation t Generators 490d1 [1,1,0,3,1] 1 [0:1:1] 490d2 [1,1,0,-32,64] 1 [8:16:1]
490e (2 curves)	0	2- 5+ 7+	2- -2 5+ 7+  3  5  6 -1
Curve Equation t 490e1 [1,0,0,-1,-15] 3 490e2 [1,0,0,-491,-4229] 1
490f (2 curves)	0	2- 5+ 7+	2-  3 5+ 7+ -2  0 -4 -6
Curve Equation t 490f1 [1,-1,1,-6453,201121] 1 490f2 [1,-1,1,44997,-1904213] 1
490g (2 curves)	1	2- 5+ 7-	2- -2 5+ 7- -4 -2 -8  6
Curve Equation t Generators 490g1 [1,0,0,-71,265] 2 [-2:21:1] 490g2 [1,0,0,-1191,15721] 2 [26:-63:1]
490h (4 curves)	0	2- 5- 7-	2-  0 5- 7-  4  6 -2  0
Curve Equation t 490h1 [1,-1,1,113,711] 4 490h2 [1,-1,1,-867,8159] 4 490h3 [1,-1,1,-4297,-100229] 2 490h4 [1,-1,1,-13117,581459] 2
490i (2 curves)	0	2- 5- 7-	2-  2 5- 7-  3 -5 -6  1
Curve Equation t 490i1 [1,1,1,-50,5095] 1 490i2 [1,1,1,-24060,1426487] 1
490j (2 curves)	0	2- 5- 7-	2-  2 5- 7- -4  2  8 -6
Curve Equation t 490j1 [1,1,1,-3480,-94375] 2 490j2 [1,1,1,-58360,-5450663] 2
490k (2 curves)	0	2- 5- 7-	2- -3 5- 7- -2  0  4  6
Curve Equation t 490k1 [1,-1,1,-132,-549] 1 490k2 [1,-1,1,918,5289] 7

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