Cremona's table of elliptic curves

39648 = 2⁵ · 3 · 7 · 59

Class	r	Atkin-Lehner	Eigenvalues
39648a (2 curves)	0	2+ 3+ 7+ 59-	2+ 3+  0 7+ -4 -4  0  4
Curve Equation t 39648a1 [0,-1,0,-446558,15238608] 2 39648a2 [0,-1,0,-4564273,-3734352671] 2
39648b (2 curves)	0	2+ 3+ 7+ 59-	2+ 3+  4 7+ -4  0 -4  4
Curve Equation t 39648b1 [0,-1,0,-2126,38448] 2 39648b2 [0,-1,0,-2161,37153] 2
39648c (1 curve)	0	2+ 3- 7+ 59+	2+ 3-  3 7+  0  6  2  2
Curve Equation t 39648c1 [0,1,0,-64,188] 1
39648d (2 curves)	1	2+ 3- 7- 59+	2+ 3-  0 7-  4 -4  0 -4
Curve Equation t Generators 39648d1 [0,1,0,-446558,-15238608] 2 [721:6174:1] 39648d2 [0,1,0,-4564273,3734352671] 2 [329:47628:1]
39648e (2 curves)	1	2+ 3- 7- 59+	2+ 3-  4 7-  4  0 -4 -4
Curve Equation t Generators 39648e1 [0,1,0,-2126,-38448] 2 [673:17430:1] 39648e2 [0,1,0,-2161,-37153] 2 [-22:15:1]
39648f (2 curves)	0	2+ 3- 7- 59-	2+ 3-  2 7-  2  4  6 -4
Curve Equation t 39648f1 [0,1,0,58,-60] 2 39648f2 [0,1,0,-257,-753] 2
39648g (2 curves)	2	2- 3+ 7+ 59+	2- 3+  0 7+  0 -4  0 -4
Curve Equation t Generators 39648g1 [0,-1,0,-2238,-39672] 2 [-28:16:1]&[812:23084:1] 39648g2 [0,-1,0,-3953,31329] 2 [-59:236:1]&[-49:324:1]
39648h (2 curves)	0	2- 3+ 7+ 59+	2- 3+  2 7+ -2  4  6  4
Curve Equation t 39648h1 [0,-1,0,58,60] 2 39648h2 [0,-1,0,-257,753] 2
39648i (2 curves)	1	2- 3+ 7- 59+	2- 3+ -2 7-  0  2 -4 -4
Curve Equation t Generators 39648i1 [0,-1,0,-54,168] 2 [2:8:1] 39648i2 [0,-1,0,16,504] 2 [9:36:1]
39648j (1 curve)	0	2- 3+ 7- 59-	2- 3+  3 7-  0  6  2 -2
Curve Equation t 39648j1 [0,-1,0,-64,-188] 1
39648k (2 curves)	0	2- 3- 7+ 59-	2- 3- -2 7+  0  2 -4  4
Curve Equation t 39648k1 [0,1,0,-54,-168] 2 39648k2 [0,1,0,16,-504] 2
39648l (2 curves)	1	2- 3- 7- 59-	2- 3-  0 7-  0 -4  0  4
Curve Equation t Generators 39648l1 [0,1,0,-2238,39672] 2 [36:84:1] 39648l2 [0,1,0,-3953,-31329] 2 [-41:252:1]

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