Cremona's table of elliptic curves

25620 = 2² · 3 · 5 · 7 · 61

Class	r	Atkin-Lehner	Eigenvalues
25620a (1 curve)	1	2- 3+ 5+ 7+ 61-	2- 3+ 5+ 7+  1  3 -7  4
Curve Equation t Generators 25620a1 [0,-1,0,-61,25] 1 [0:5:1]
25620b (2 curves)	1	2- 3+ 5+ 7+ 61-	2- 3+ 5+ 7+  2  2  4  0
Curve Equation t Generators 25620b1 [0,-1,0,-981,12150] 2 [23:-35:1] 25620b2 [0,-1,0,-756,17640] 2 [14:-98:1]
25620c (1 curve)	2	2- 3+ 5+ 7- 61-	2- 3+ 5+ 7- -2 -6 -7  2
Curve Equation t Generators 25620c1 [0,-1,0,-61,-2135] 1 [43:270:1]&[16:27:1]
25620d (2 curves)	0	2- 3+ 5+ 7- 61-	2- 3+ 5+ 7-  4 -6  2 -4
Curve Equation t 25620d1 [0,-1,0,-1121,-13530] 2 25620d2 [0,-1,0,-2996,45720] 2
25620e (2 curves)	0	2- 3+ 5- 7+ 61-	2- 3+ 5- 7+ -4  6 -2  0
Curve Equation t 25620e1 [0,-1,0,-49225,4219150] 2 25620e2 [0,-1,0,-55300,3118360] 2
25620f (1 curve)	1	2- 3- 5+ 7+ 61+	2- 3- 5+ 7+  3  3 -1 -6
Curve Equation t Generators 25620f1 [0,1,0,-581,-4665] 1 [-15:30:1]
25620g (2 curves)	0	2- 3- 5+ 7+ 61-	2- 3- 5+ 7+  6 -6  0  0
Curve Equation t 25620g1 [0,1,0,-6535901,-6433590276] 2 25620g2 [0,1,0,-6520276,-6465865276] 2
25620h (2 curves)	2	2- 3- 5+ 7+ 61-	2- 3- 5+ 7+ -6 -6  0 -8
Curve Equation t Generators 25620h1 [0,1,0,-861,8460] 2 [39:-189:1]&[-24:126:1] 25620h2 [0,1,0,1164,44100] 2 [24:-294:1]&[0:210:1]
25620i (4 curves)	1	2- 3- 5+ 7- 61-	2- 3- 5+ 7-  0  2  6 -4
Curve Equation t Generators 25620i1 [0,1,0,-3708481,2747557400] 6 [-1075:74115:1] 25620i2 [0,1,0,-3725356,2721272900] 6 [-16:52734:1] 25620i3 [0,1,0,-4345321,1739152004] 2 [-9062:577395:8] 25620i4 [0,1,0,-33642196,-73917097996] 2 [-6203425914:-48907137565:2000376]
25620j (2 curves)	1	2- 3- 5+ 7- 61-	2- 3- 5+ 7- -3 -1 -3  2
Curve Equation t Generators 25620j1 [0,1,0,-20501,1122999] 3 [1:1050:1] 25620j2 [0,1,0,-33941,-536505] 1 [-30:675:1]

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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