Cremona's table of elliptic curves

25480 = 2³ · 5 · 7² · 13

Class	r	Atkin-Lehner	Eigenvalues
25480a (1 curve)	0	2+ 5+ 7- 13+	2+ -3 5+ 7-  5 13+  8 -4
Curve Equation t 25480a1 [0,0,0,20237,571438] 1
25480b (2 curves)	1	2+ 5+ 7- 13-	2+  0 5+ 7- -2 13-  4 -4
Curve Equation t Generators 25480b1 [0,0,0,-134603,941878] 2 [1407:50960:1] 25480b2 [0,0,0,537677,7530222] 2 [3138:133575:8]
25480c (1 curve)	1	2+ 5+ 7- 13-	2+  1 5+ 7- -3 13-  6  6
Curve Equation t Generators 25480c1 [0,1,0,-41176,3645424] 1 [-201:1960:1]
25480d (2 curves)	1	2+ 5+ 7- 13-	2+ -2 5+ 7- -4 13- -4 -6
Curve Equation t Generators 25480d1 [0,1,0,-27456,1735600] 2 [44:784:1] 25480d2 [0,1,0,-41176,-196176] 2 [-5:98:1]
25480e (4 curves)	0	2+ 5- 7- 13-	2+  0 5- 7-  0 13- -6 -4
Curve Equation t 25480e1 [0,0,0,1078,7889] 4 25480e2 [0,0,0,-5047,67914] 4 25480e3 [0,0,0,-39347,-2957346] 2 25480e4 [0,0,0,-68747,6934774] 2
25480f (4 curves)	0	2+ 5- 7- 13-	2+  0 5- 7- -4 13-  6 -4
Curve Equation t 25480f1 [0,0,0,-1127,-14406] 2 25480f2 [0,0,0,-2107,14406] 4 25480f3 [0,0,0,7693,110446] 2 25480f4 [0,0,0,-27587,1762334] 2
25480g (1 curve)	0	2+ 5- 7- 13-	2+  1 5- 7-  5 13-  2  6
Curve Equation t 25480g1 [0,1,0,-1147400,-496810000] 1
25480h (2 curves)	0	2+ 5- 7- 13-	2+ -2 5- 7- -2 13- -6  6
Curve Equation t 25480h1 [0,1,0,-176220,-28499360] 2 25480h2 [0,1,0,-128200,-44326752] 2
25480i (2 curves)	0	2+ 5- 7- 13-	2+ -2 5- 7-  6 13-  2 -2
Curve Equation t 25480i1 [0,1,0,-23340,-1277312] 2 25480i2 [0,1,0,24680,-5810400] 2
25480j (1 curve)	0	2+ 5- 7- 13-	2+  3 5- 7-  5 13- -8  4
Curve Equation t 25480j1 [0,0,0,413,-1666] 1
25480k (2 curves)	1	2- 5+ 7- 13+	2-  2 5+ 7- -2 13+  6 -6
Curve Equation t Generators 25480k1 [0,-1,0,-506676,54415460] 2 [66764:17249862:1] 25480k2 [0,-1,0,1846304,414891996] 2 [21930255510:5667335160956:328509]
25480l (2 curves)	1	2- 5+ 7- 13+	2- -2 5+ 7-  2 13+ -2 -2
Curve Equation t Generators 25480l1 [0,1,0,-996,11584] 2 [30:-98:1] 25480l2 [0,1,0,-16,34320] 2 [16:-196:1]
25480m (2 curves)	0	2- 5+ 7- 13-	2- -2 5+ 7-  0 13-  8  2
Curve Equation t 25480m1 [0,1,0,-1976,-16640] 2 25480m2 [0,1,0,-15696,740704] 2
25480n (2 curves)	0	2- 5- 7- 13+	2-  0 5- 7-  2 13+  0 -8
Curve Equation t 25480n1 [0,0,0,-662627,-207610354] 2 25480n2 [0,0,0,-648907,-216618906] 2

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