Cremona's table of elliptic curves

20235 = 3 · 5 · 19 · 71

Class	r	Atkin-Lehner	Eigenvalues
20235a (2 curves)	0	3+ 5+ 19+ 71-	1 3+ 5+ -2  4 -4  8 19+
Curve Equation t 20235a1 [1,1,0,-1210918,523060447] 2 20235a2 [1,1,0,-19486543,33101189572] 2
20235b (2 curves)	0	3+ 5+ 19+ 71-	1 3+ 5+  4  0 -6 -2 19+
Curve Equation t 20235b1 [1,1,0,-16153,-749672] 2 20235b2 [1,1,0,-50448,3441177] 2
20235c (2 curves)	0	3+ 5+ 19+ 71-	-1 3+ 5+  2 -2  4  6 19+
Curve Equation t 20235c1 [1,1,1,6034,107138] 2 20235c2 [1,1,1,-28261,889064] 2
20235d (2 curves)	0	3+ 5+ 19- 71+	1 3+ 5+  0  6 -4 -4 19-
Curve Equation t 20235d1 [1,1,0,-243,-1512] 2 20235d2 [1,1,0,112,-5133] 2
20235e (2 curves)	0	3+ 5+ 19- 71+	1 3+ 5+  2  2  4  6 19-
Curve Equation t 20235e1 [1,1,0,-1423,20152] 2 20235e2 [1,1,0,-22798,1315477] 2
20235f (2 curves)	1	3+ 5+ 19- 71-	-1 3+ 5+ -2  0 -4 -8 19-
Curve Equation t Generators 20235f1 [1,1,1,399,-402] 2 [6:44:1] 20235f2 [1,1,1,-1626,-5262] 2 [-8:89:1]
20235g (1 curve)	1	3+ 5+ 19- 71-	2 3+ 5+ -3  5 -4  0 19-
Curve Equation t Generators 20235g1 [0,-1,1,14,-33] 1 [202:1001:8]
20235h (6 curves)	1	3+ 5- 19- 71+	-1 3+ 5-  0  4 -2 -6 19-
Curve Equation t Generators 20235h1 [1,1,1,-40445,3914282] 4 [-220:1601:1] 20235h2 [1,1,1,-692050,221289710] 8 [6639:533620:1] 20235h3 [1,1,1,-737175,190731060] 4 [25237357387:-317640709273:32461759] 20235h4 [1,1,1,-11072605,14176907852] 4 [2072:10596:1] 20235h5 [1,1,1,-3853650,-2748728160] 2 [1276926909979842:-100487414362201235:189316978488] 20235h6 [1,1,1,1657300,1175339180] 2 [-212139826385535581940:28816500543219319295309:1004988271374296000]
20235i (1 curve)	1	3+ 5- 19- 71+	2 3+ 5- -5  1 -4  4 19-
Curve Equation t Generators 20235i1 [0,-1,1,-380,-2959] 1 [1386:18065:8]
20235j (4 curves)	2	3+ 5- 19- 71-	-1 3+ 5-  0 -4  2 -6 19-
Curve Equation t Generators 20235j1 [1,1,1,-675,-6408] 2 [30:23:1]&[57:351:1] 20235j2 [1,1,1,-2480,39800] 4 [-52:203:1]&[0:199:1] 20235j3 [1,1,1,-38105,2847050] 2 [-47:2153:1]&[113:-47:1] 20235j4 [1,1,1,4265,225962] 2 [-33:241:1]&[-28:306:1]
20235k (2 curves)	1	3- 5+ 19+ 71-	-1 3- 5+  2 -2 -4 -2 19+
Curve Equation t Generators 20235k1 [1,0,0,-476,5031] 2 [1:67:1] 20235k2 [1,0,0,-8171,283590] 2 [34:196:1]
20235l (2 curves)	1	3- 5+ 19- 71+	1 3- 5+ -2  2  4 -6 19-
Curve Equation t Generators 20235l1 [1,0,1,-39,-1739] 2 [113:1143:1] 20235l2 [1,0,1,-2414,-45439] 2 [-27:28:1]
20235m (1 curve)	1	3- 5- 19+ 71+	0 3- 5- -1  3  0 -2 19+
Curve Equation t Generators 20235m1 [0,1,1,-2985,74306] 1 [30:112:1]

Data from Elliptic Curve Data by J. E. Cremona.
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