Cremona's table of elliptic curves

42848 = 2⁵ · 13 · 103

Class	r	Atkin-Lehner	Eigenvalues
42848a (1 curve)	1	2+ 13+ 103+	2+ -1  3 -1 -6 13+  5  6
Curve Equation t Generators 42848a1 [0,-1,0,9656,-402844] 1 [40:214:1]
42848b (1 curve)	1	2+ 13+ 103+	2+  2  0 -1  3 13+  5 -6
Curve Equation t Generators 42848b1 [0,-1,0,-328,2340] 1 [9:6:1]
42848c (1 curve)	0	2+ 13+ 103-	2+  1 -3  4  4 13+  3  1
Curve Equation t 42848c1 [0,1,0,-177,-961] 1
42848d (1 curve)	0	2+ 13- 103+	2+  0  3  2  4 13-  7 -4
Curve Equation t 42848d1 [0,0,0,-536,-19632] 1
42848e (1 curve)	0	2+ 13- 103+	2+ -2 -2  3  5 13- -3 -4
Curve Equation t 42848e1 [0,1,0,-824,-8408] 1
42848f (2 curves)	2	2+ 13- 103+	2+ -2 -2 -4  0 13- -2 -4
Curve Equation t Generators 42848f1 [0,1,0,26,0] 2 [2:8:1]&[8:28:1] 42848f2 [0,1,0,-104,-104] 2 [-10:6:1]&[-2:10:1]
42848g (1 curve)	1	2+ 13- 103-	2+  0  3 -2 -4 13-  7  4
Curve Equation t Generators 42848g1 [0,0,0,-536,19632] 1 [-12:156:1]
42848h (2 curves)	1	2+ 13- 103-	2+  2 -2  4  0 13- -2  4
Curve Equation t Generators 42848h1 [0,-1,0,26,0] 2 [3822:16289:216] 42848h2 [0,-1,0,-104,104] 2 [1419810:-5123159:74088]
42848i (1 curve)	2	2- 13+ 103+	2- -1 -3 -4 -4 13+  3 -1
Curve Equation t Generators 42848i1 [0,-1,0,-177,961] 1 [9:-4:1]&[0:31:1]
42848j (1 curve)	1	2- 13+ 103-	2-  1  3  1  6 13+  5 -6
Curve Equation t Generators 42848j1 [0,1,0,9656,402844] 1 [68190:1278127:216]
42848k (1 curve)	1	2- 13+ 103-	2- -2  0  1 -3 13+  5  6
Curve Equation t Generators 42848k1 [0,1,0,-328,-2340] 1 [27:96:1]
42848l (1 curve)	2	2- 13- 103-	2-  2 -2 -3 -5 13- -3  4
Curve Equation t Generators 42848l1 [0,-1,0,-824,8408] 1 [74:309:8]&[241:3708:1]

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