Cremona's table of elliptic curves

21942 = 2 · 3² · 23 · 53

Class	r	Atkin-Lehner	Eigenvalues
21942a (2 curves)	1	2+ 3+ 23+ 53+	2+ 3+ -2  2  0  2 -2 -4
Curve Equation t Generators 21942a1 [1,-1,0,-108,-304] 2 [-7:12:1] 21942a2 [1,-1,0,-588,5360] 2 [-23:91:1]
21942b (1 curve)	1	2+ 3+ 23- 53-	2+ 3+ -1  3 -1  2 -3  4
Curve Equation t Generators 21942b1 [1,-1,0,98910,-5982316] 1 [415:10108:1]
21942c (2 curves)	0	2+ 3- 23+ 53+	2+ 3- -2  0  6  2 -4  2
Curve Equation t 21942c1 [1,-1,0,207,108445] 2 21942c2 [1,-1,0,-32913,2261245] 2
21942d (1 curve)	0	2- 3+ 23+ 53+	2- 3+  1  3  1  2  3  4
Curve Equation t 21942d1 [1,-1,1,890188,160632343] 1
21942e (2 curves)	0	2- 3+ 23- 53-	2- 3+  2  2  0  2  2 -4
Curve Equation t 21942e1 [1,-1,1,-974,9181] 2 21942e2 [1,-1,1,-5294,-139427] 2
21942f (1 curve)	1	2- 3- 23+ 53+	2- 3- -1 -2  4  5  6 -4
Curve Equation t Generators 21942f1 [1,-1,1,-37755383,-137044602417] 1 [7811:207198:1]
21942g (2 curves)	0	2- 3- 23+ 53-	2- 3-  3 -4  6  5  0 -4
Curve Equation t 21942g1 [1,-1,1,6754,69869] 1 21942g2 [1,-1,1,-114341,15361373] 3
21942h (1 curve)	0	2- 3- 23- 53+	2- 3-  1  0  2 -7  4 -4
Curve Equation t 21942h1 [1,-1,1,-32,-273] 1
21942i (1 curve)	1	2- 3- 23- 53-	2- 3-  1 -1  1 -2 -3  4
Curve Equation t Generators 21942i1 [1,-1,1,-77,533] 1 [3:16:1]

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

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