Cremona's table of elliptic curves

7406 = 2 · 7 · 23²

Class	r	Atkin-Lehner	Eigenvalues
7406a (2 curves)	0	2+ 7+ 23-	2+  0  0 7+  4 -2 -4 -4
Curve Equation t 7406a1 [1,-1,0,-3802,1811172] 2 7406a2 [1,-1,0,-247142,46926408] 2
7406b (2 curves)	0	2+ 7+ 23-	2+  0  2 7+  4  4  8  2
Curve Equation t 7406b1 [1,-1,0,-4331,-509551] 2 7406b2 [1,-1,0,-126001,-17129673] 2
7406c (2 curves)	0	2+ 7+ 23-	2+  2  0 7+ -4  0 -6  6
Curve Equation t 7406c1 [1,1,0,18240,-4452352] 2 7406c2 [1,1,0,-320320,-65460864] 2
7406d (6 curves)	2	2+ 7+ 23-	2+ -2  0 7+  0 -4 -6 -2
Curve Equation t Generators 7406d1 [1,0,1,-276,-3586] 2 [39:193:1]&[44:242:1] 7406d2 [1,0,1,-5566,-160170] 2 [-44:25:1]&[320:5394:1] 7406d3 [1,0,1,2369,74706] 2 [-17:180:1]&[-2:265:1] 7406d4 [1,0,1,-18791,811074] 2 [-94:1369:1]&[-36:1218:1] 7406d5 [1,0,1,-90206,10450512] 2 [165:173:1]&[228:1208:1] 7406d6 [1,0,1,-1444446,668069456] 2 [-1382:5716:1]&[650:1652:1]
7406e (2 curves)	1	2+ 7- 23-	2+  0  0 7- -4 -2  4  4
Curve Equation t Generators 7406e1 [1,-1,0,-7,-147] 2 [7:7:1] 7406e2 [1,-1,0,-467,-3735] 2 [-13:10:1]
7406f (1 curve)	1	2- 7+ 23-	2- -1 -4 7+  0  2  5 -7
Curve Equation t Generators 7406f1 [1,1,1,35,51] 1 [3:12:1]
7406g (2 curves)	1	2- 7+ 23-	2-  2  2 7+ -6 -4  2 -4
Curve Equation t Generators 7406g1 [1,1,1,-2127,-35599] 2 [-11397816:22320469:373248] 7406g2 [1,1,1,-7417,203509] 2 [1876:6149:64]
7406h (1 curve)	0	2- 7- 23-	2- -1  4 7-  0  2 -5  7
Curve Equation t 7406h1 [1,1,1,18504,-437639] 1
7406i (2 curves)	0	2- 7- 23-	2- -2  2 7-  2 -4  6  0
Curve Equation t 7406i1 [1,0,0,-7417,-63495] 2 7406i2 [1,0,0,-92057,-10745063] 2

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