Cremona's table of elliptic curves

19943 = 7² · 11 · 37

Class	r	Atkin-Lehner	Eigenvalues
19943a (2 curves)	0	7- 11+ 37+	1  2  2 7- 11+ -4  0  2
Curve Equation t 19943a1 [1,1,0,-949,10872] 2 19943a2 [1,1,0,-15194,714575] 2
19943b (2 curves)	0	7- 11+ 37+	1 -2 -2 7- 11+  4  0 -2
Curve Equation t 19943b1 [1,0,1,-46527,-3868651] 2 19943b2 [1,0,1,-744532,-247332795] 2
19943c (2 curves)	0	7- 11+ 37+	-1 -2  2 7- 11+ -4 -4  0
Curve Equation t 19943c1 [1,0,0,-2620717,1653348528] 2 19943c2 [1,0,0,-42078212,105055659925] 2
19943d (2 curves)	1	7- 11- 37+	-1  0  0 7- 11-  4  0 -6
Curve Equation t Generators 19943d1 [1,-1,1,260,-17762] 2 [356:6537:1] 19943d2 [1,-1,1,-8805,-304216] 2 [128:744:1]
19943e (2 curves)	1	7- 11- 37+	-1  2 -2 7- 11-  4  0  6
Curve Equation t Generators 19943e1 [1,1,1,-2794,-57674] 2 [12664932:-105428405:132651] 19943e2 [1,1,1,-1079,-125588] 2 [9552:174161:27]
19943f (2 curves)	1	7- 11- 37+	-1 -2  2 7- 11- -4  0 -6
Curve Equation t Generators 19943f1 [1,0,0,-57,160] 2 [-3:19:1] 19943f2 [1,0,0,-22,363] 2 [1:18:1]

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

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