Cremona's table of elliptic curves

2256 = 2⁴ · 3 · 47

Class	r	Atkin-Lehner	Eigenvalues
2256a (1 curve)	1	2+ 3+ 47+	2+ 3+ -1  1  1 -4 -4  6
Curve Equation t Generators 2256a1 [0,-1,0,-81,-243] 1 [-4:1:1]
2256b (2 curves)	0	2+ 3+ 47-	2+ 3+  0  4  4  2  2  2
Curve Equation t 2256b1 [0,-1,0,12,0] 2 2256b2 [0,-1,0,-48,48] 2
2256c (1 curve)	0	2+ 3+ 47-	2+ 3+ -3  1 -5 -4 -4  2
Curve Equation t 2256c1 [0,-1,0,-4577,-117651] 1
2256d (2 curves)	0	2+ 3- 47+	2+ 3-  2  0  6  0 -6  4
Curve Equation t 2256d1 [0,1,0,8,-28] 2 2256d2 [0,1,0,-112,-460] 2
2256e (2 curves)	0	2+ 3- 47+	2+ 3- -2  0  2  4  2 -8
Curve Equation t 2256e1 [0,1,0,-437784,-142107228] 2 2256e2 [0,1,0,-7523664,-7945078284] 2
2256f (1 curve)	0	2+ 3- 47+	2+ 3-  3  5 -3 -6  2  2
Curve Equation t 2256f1 [0,1,0,-9,3] 1
2256g (1 curve)	1	2+ 3- 47-	2+ 3-  1 -3 -1 -2  2 -2
Curve Equation t Generators 2256g1 [0,1,0,-985,10931] 1 [-10:141:1]
2256h (1 curve)	0	2- 3+ 47+	2- 3+ -3  3  5  2 -6  6
Curve Equation t 2256h1 [0,-1,0,-197,-339] 1
2256i (1 curve)	1	2- 3+ 47-	2- 3+ -1  3 -1 -2  2 -6
Curve Equation t Generators 2256i1 [0,-1,0,-421,3469] 1 [12:1:1]
2256j (4 curves)	1	2- 3+ 47-	2- 3+  2  0 -4 -2  2  0
Curve Equation t Generators 2256j1 [0,-1,0,-32,-192] 2 [16:56:1] 2256j2 [0,-1,0,-752,-7680] 4 [34:70:1] 2256j3 [0,-1,0,-12032,-504000] 2 [1162:39410:1] 2256j4 [0,-1,0,-992,-2112] 4 [4370:8582:125]
2256k (2 curves)	1	2- 3+ 47-	2- 3+ -3  1  3 -4  0 -2
Curve Equation t Generators 2256k1 [0,-1,0,-37,-71] 1 [-3:2:1] 2256k2 [0,-1,0,-517,4681] 1 [-15:94:1]
2256l (2 curves)	1	2- 3- 47+	2- 3-  0 -4  0  6 -6 -2
Curve Equation t Generators 2256l1 [0,1,0,-128,756] 2 [4:18:1] 2256l2 [0,1,0,-2288,41364] 2 [-20:282:1]
2256m (1 curve)	1	2- 3- 47+	2- 3- -1  1 -3 -2 -6  6
Curve Equation t Generators 2256m1 [0,1,0,-221,1191] 1 [7:6:1]
2256n (2 curves)	1	2- 3- 47+	2- 3- -4  4  0 -2 -6 -6
Curve Equation t Generators 2256n1 [0,1,0,-240,-1836] 2 [20:42:1] 2256n2 [0,1,0,-4080,-101676] 2 [404:8022:1]
2256o (1 curve)	0	2- 3- 47-	2- 3- -1  3  3 -4  8  6
Curve Equation t 2256o1 [0,1,0,-21,3] 1
2256p (4 curves)	0	2- 3- 47-	2- 3-  2  0  0  2  2  0
Curve Equation t 2256p1 [0,1,0,928,5748] 2 2256p2 [0,1,0,-4192,44660] 4 2256p3 [0,1,0,-34272,-2421900] 2 2256p4 [0,1,0,-56032,5083508] 4

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

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