Cremona's table of elliptic curves

25389 = 3² · 7 · 13 · 31

Class	r	Atkin-Lehner	Eigenvalues
25389a (2 curves)	1	3+ 7+ 13+ 31+	1 3+ -2 7+  6 13+  2  4
Curve Equation t Generators 25389a1 [1,-1,0,-1233,-16360] 2 [1812:11162:27] 25389a2 [1,-1,0,-1218,-16789] 2 [250:3781:1]
25389b (2 curves)	1	3+ 7+ 13+ 31+	-1 3+  2 7+ -6 13+ -2  4
Curve Equation t Generators 25389b1 [1,-1,1,-11099,452818] 2 [34:320:1] 25389b2 [1,-1,1,-10964,464266] 2 [38:-338:1]
25389c (1 curve)	2	3- 7+ 13+ 31+	-2 3- -2 7+  3 13+  2 -8
Curve Equation t Generators 25389c1 [0,0,1,9,182] 1 [-5:3:1]&[9:31:1]
25389d (4 curves)	1	3- 7+ 13- 31+	1 3- -2 7+  0 13- -2 -4
Curve Equation t Generators 25389d1 [1,-1,0,-6903,-219024] 2 [208:2600:1] 25389d2 [1,-1,0,-7308,-191565] 4 [-474:1641:8] 25389d3 [1,-1,0,15507,-1163484] 2 [774:8505:8] 25389d4 [1,-1,0,-36603,2532870] 4 [-138:2292:1]
25389e (4 curves)	1	3- 7+ 13- 31+	1 3- -2 7+  4 13- -2  4
Curve Equation t Generators 25389e1 [1,-1,0,-873,-1904] 2 [-146:775:8] 25389e2 [1,-1,0,-8478,300775] 4 [38:161:1] 25389e3 [1,-1,0,-3213,666166] 2 [1006:11467:8] 25389e4 [1,-1,0,-135423,19215580] 2 [152:1382:1]
25389f (1 curve)	2	3- 7+ 13- 31-	0 3-  0 7+ -3 13- -2 -6
Curve Equation t Generators 25389f1 [0,0,1,2220,83335] 1 [1:292:1]&[53:591:1]
25389g (2 curves)	0	3- 7+ 13- 31-	-1 3-  2 7+  2 13-  6  8
Curve Equation t 25389g1 [1,-1,1,-117464,14239010] 2 25389g2 [1,-1,1,-414059,-86484652] 2
25389h (4 curves)	0	3- 7+ 13- 31-	-1 3-  2 7+ -4 13- -6 -4
Curve Equation t 25389h1 [1,-1,1,-2779214,-1763916460] 4 25389h2 [1,-1,1,-44337659,-113622627022] 4 25389h3 [1,-1,1,-44207924,-114320705110] 2 25389h4 [1,-1,1,-709402514,-7272380726242] 2
25389i (1 curve)	0	3- 7+ 13- 31-	2 3-  2 7+  5 13-  6 -4
Curve Equation t 25389i1 [0,0,1,-72939,-7584507] 1
25389j (2 curves)	1	3- 7- 13+ 31+	-1 3-  0 7-  0 13+ -2  4
Curve Equation t Generators 25389j1 [1,-1,1,-1955,33706] 2 [22:-43:1] 25389j2 [1,-1,1,-1370,53830] 2 [5:-220:1]
25389k (4 curves)	1	3- 7- 13+ 31+	-1 3-  2 7-  4 13+ -2 -4
Curve Equation t Generators 25389k1 [1,-1,1,-703589,-226968420] 2 [-89028224379205370:60219001367260722:183202042659875] 25389k2 [1,-1,1,-746834,-197458032] 4 [-16011232:-125603853:50653] 25389k3 [1,-1,1,1626061,-1198819722] 2 [901332458633599:-159582938552288625:28962726911] 25389k4 [1,-1,1,-3811649,2692049550] 2 [320:38634:1]
25389l (2 curves)	0	3- 7- 13+ 31-	1 3-  0 7-  2 13+  6  0
Curve Equation t 25389l1 [1,-1,0,-6867,220752] 2 25389l2 [1,-1,0,-6732,229743] 2
25389m (2 curves)	0	3- 7- 13- 31+	-1 3-  2 7- -6 13-  6  0
Curve Equation t 25389m1 [1,-1,1,-85334,9600540] 2 25389m2 [1,-1,1,-1364729,613986738] 2
25389n (2 curves)	0	3- 7- 13- 31+	-1 3- -2 7-  2 13- -2  0
Curve Equation t 25389n1 [1,-1,1,-1916051,-1020363150] 2 25389n2 [1,-1,1,-1917806,-1018398954] 2
25389o (2 curves)	0	3- 7- 13- 31+	-1 3-  4 7-  2 13- -2  0
Curve Equation t 25389o1 [1,-1,1,-1792733,908465964] 2 25389o2 [1,-1,1,55282,2689952424] 2
25389p (3 curves)	1	3- 7- 13- 31-	0 3-  0 7- -3 13-  6  2
Curve Equation t Generators 25389p1 [0,0,1,-13170,-3639843] 1 [1522:6881:8] 25389p2 [0,0,1,118050,96067674] 3 [-2942:13667:8] 25389p3 [0,0,1,-12781200,17594829045] 3 [2393:26698:1]

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