Cremona's table of elliptic curves

20124 = 2² · 3² · 13 · 43

Class	r	Atkin-Lehner	Eigenvalues
20124a (2 curves)	1	2- 3- 13+ 43+	2- 3-  0 -4 -2 13+  2  4
Curve Equation t Generators 20124a1 [0,0,0,-17040,115697] 2 [-116:729:1] 20124a2 [0,0,0,-173775,-27751786] 2 [-245:342:1]
20124b (2 curves)	1	2- 3- 13+ 43+	2- 3- -2 -4 -4 13+  2 -8
Curve Equation t Generators 20124b1 [0,0,0,-1596,-28811] 2 [219:3182:1] 20124b2 [0,0,0,-26751,-1684010] 2 [1986:21127:8]
20124c (2 curves)	1	2- 3- 13+ 43+	2- 3-  4  0 -2 13+  2  0
Curve Equation t Generators 20124c1 [0,0,0,-3288,72205] 2 [130:1215:8] 20124c2 [0,0,0,-5223,-22610] 2 [2010:910:27]
20124d (2 curves)	2	2- 3- 13+ 43-	2- 3-  0 -4 -6 13+  2 -4
Curve Equation t Generators 20124d1 [0,0,0,-480,-3247] 2 [-14:27:1]&[-8:9:1] 20124d2 [0,0,0,-2415,42806] 2 [-41:270:1]&[-5:234:1]
20124e (2 curves)	0	2- 3- 13+ 43-	2- 3- -2  0  0 13+  2  4
Curve Equation t 20124e1 [0,0,0,4884,-34531] 2 20124e2 [0,0,0,-20271,-281050] 2
20124f (2 curves)	0	2- 3- 13- 43+	2- 3-  0  2 -4 13- -2 -6
Curve Equation t 20124f1 [0,0,0,-16680,822629] 2 20124f2 [0,0,0,-266295,52892318] 2
20124g (2 curves)	1	2- 3- 13- 43-	2- 3-  2 -4  0 13-  6 -8
Curve Equation t Generators 20124g1 [0,0,0,-6204,-185443] 2 [131:1118:1] 20124g2 [0,0,0,-399,-518650] 2 [550:12870:1]

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

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