Cremona's table of elliptic curves

20938 = 2 · 19² · 29

Class	r	Atkin-Lehner	Eigenvalues
20938a (2 curves)	0	2+ 19+ 29-	2+  0  2  0  4  6  2 19+
Curve Equation t 20938a1 [1,-1,0,2314484,-1714890288] 2 20938a2 [1,-1,0,-15244556,-17240593456] 2
20938b (1 curve)	0	2+ 19- 29+	2+  1 -1  0  3  5 -4 19-
Curve Equation t 20938b1 [1,0,1,-130329,-20077572] 1
20938c (1 curve)	0	2+ 19- 29+	2+  1  3 -4 -5  1 -4 19-
Curve Equation t 20938c1 [1,0,1,-10149162,54152760732] 1
20938d (2 curves)	0	2+ 19- 29+	2+ -1  3  2 -3  1  6 19-
Curve Equation t 20938d1 [1,1,0,-178341,68974093] 1 20938d2 [1,1,0,-19441301,32986022653] 1
20938e (2 curves)	1	2+ 19- 29-	2+  1  1 -2 -3  1  8 19-
Curve Equation t Generators 20938e1 [1,0,1,1797,-48570] 1 [30:165:1] 20938e2 [1,0,1,-164263,25784590] 1 [410:5029:1]
20938f (2 curves)	0	2- 19+ 29+	2-  0  2  0  4 -6  2 19+
Curve Equation t 20938f1 [1,-1,1,6411,248333] 2 20938f2 [1,-1,1,-42229,2524685] 2
20938g (1 curve)	1	2- 19- 29+	2-  1 -3 -4 -5  7  2 19-
Curve Equation t Generators 20938g1 [1,0,0,-10657,-503159] 1 [372:6673:1]
20938h (1 curve)	1	2- 19- 29+	2- -3 -1  2  3  1  6 19-
Curve Equation t Generators 20938h1 [1,-1,1,-2391693,-2630656587] 1 [3919:217528:1]
20938i (1 curve)	0	2- 19- 29-	2-  3 -3 -2 -1 -3 -4 19-
Curve Equation t 20938i1 [1,-1,1,-429,-4823] 1

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

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