Cremona's table of elliptic curves

2028 = 2² · 3 · 13²

Class	r	Atkin-Lehner	Eigenvalues
2028a (1 curve)	0	2- 3+ 13+	2- 3+  2  1  2 13+ -4  4
Curve Equation t 2028a1 [0,-1,0,-11717,-1134303] 1
2028b (1 curve)	0	2- 3+ 13+	2- 3+ -2 -1 -2 13+ -4 -4
Curve Equation t 2028b1 [0,-1,0,-69,-495] 1
2028c (2 curves)	0	2- 3+ 13+	2- 3+  4  2  4 13+  2  2
Curve Equation t 2028c1 [0,-1,0,-901,9658] 2 2028c2 [0,-1,0,-3436,-66392] 2
2028d (4 curves)	1	2- 3- 13+	2- 3-  0 -2  0 13+ -6 -2
Curve Equation t Generators 2028d1 [0,1,0,-2253,144] 2 [108:1014:1] 2028d2 [0,1,0,-25068,1515060] 2 [147:1014:1] 2028d3 [0,1,0,-123933,-16834284] 2 [1200:39546:1] 2028d4 [0,1,0,-126468,-16112316] 2 [875:23322:1]
2028e (2 curves)	0	2- 3- 13-	2- 3-  2 -4  6 13-  2  0
Curve Equation t 2028e1 [0,1,0,-17,-12] 2 2028e2 [0,1,0,-212,-1260] 2
2028f (2 curves)	0	2- 3- 13-	2- 3- -2  4 -6 13-  2  0
Curve Equation t 2028f1 [0,1,0,-2929,-14728] 2 2028f2 [0,1,0,-35884,-2624764] 2

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

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