Cremona's table of elliptic curves

109820 = 2² · 5 · 17² · 19

Class	r	Atkin-Lehner	Eigenvalues
109820a (1 curve)	2	2- 5+ 17+ 19+	2- -2 5+ -3  4 -3 17+ 19+
Curve Equation t Generators 109820a1 [0,1,0,-135926,19254229] 1 [257:1167:1]&[385:4913:1]
109820b (1 curve)	1	2- 5+ 17+ 19-	2-  2 5+  3  2  1 17+ 19-
Curve Equation t Generators 109820b1 [0,-1,0,8574,896585] 1 [-49:597:1]
109820c (1 curve)	1	2- 5+ 17- 19+	2-  1 5+ -4 -1 -1 17- 19+
Curve Equation t Generators 109820c1 [0,1,0,-37666,4810009] 1 [96:1445:1]
109820d (2 curves)	0	2- 5+ 17- 19-	2-  1 5+  2  3 -1 17- 19-
Curve Equation t 109820d1 [0,1,0,-37666,2805505] 3 109820d2 [0,1,0,60594,13751669] 1
109820e (1 curve)	0	2- 5+ 17- 19-	2- -3 5+ -1 -2  4 17- 19-
Curve Equation t 109820e1 [0,0,0,-67558663,213732076462] 1
109820f (2 curves)	1	2- 5- 17+ 19+	2-  0 5-  2  0  4 17+ 19+
Curve Equation t Generators 109820f1 [0,0,0,-141032,-20374211] 2 [13691781534685492603220:-2221210283371822662334941:520129692990456128] 109820f2 [0,0,0,-168487,-11879634] 2 [23669470721550:68879611095873:53072595512]
109820g (1 curve)	1	2- 5- 17+ 19+	2- -1 5-  4  1 -1 17+ 19+
Curve Equation t Generators 109820g1 [0,-1,0,-130,1025] 1 [10:25:1]
109820h (1 curve)	1	2- 5- 17+ 19+	2-  2 5-  3 -4 -3 17+ 19+
Curve Equation t Generators 109820h1 [0,-1,0,-470,4085] 1 [7:33:1]
109820i (2 curves)	1	2- 5- 17+ 19+	2- -2 5- -2  0  6 17+ 19+
Curve Equation t Generators 109820i1 [0,1,0,-266265,49232488] 2 [-129:9025:1] 109820i2 [0,1,0,255380,219080100] 2 [-40:14450:1]
109820j (1 curve)	0	2- 5- 17+ 19-	2-  0 5- -1 -2 -1 17+ 19-
Curve Equation t 109820j1 [0,0,0,-95662757,-361310308231] 1
109820k (2 curves)	0	2- 5- 17+ 19-	2-  0 5-  2  4 -4 17+ 19-
Curve Equation t 109820k1 [0,0,0,-2312,-14739] 2 109820k2 [0,0,0,-29767,-1975026] 2
109820l (1 curve)	0	2- 5- 17+ 19-	2-  0 5- -5  2  1 17+ 19-
Curve Equation t 109820l1 [0,0,0,2023,-14739] 1
109820m (2 curves)	2	2- 5- 17+ 19-	2- -1 5- -2 -3 -1 17+ 19-
Curve Equation t Generators 109820m1 [0,-1,0,-130,617] 1 [2:19:1]&[7:1:1] 109820m2 [0,-1,0,210,2725] 1 [-9:5:1]&[15:-95:1]
109820n (2 curves)	2	2- 5- 17+ 19-	2- -1 5- -2 -6  2 17+ 19-
Curve Equation t Generators 109820n1 [0,-1,0,-40845,6607225] 1 [312:-4913:1]&[75:1990:1] 109820n2 [0,-1,0,352195,-140075303] 1 [2624:137275:1]&[344:4655:1]
109820o (2 curves)	0	2- 5- 17+ 19-	2-  2 5-  2  4 -2 17+ 19-
Curve Equation t 109820o1 [0,-1,0,-104425,626370] 2 109820o2 [0,-1,0,417220,4590872] 2
109820p (1 curve)	0	2- 5- 17+ 19-	2-  3 5-  1  2  4 17+ 19-
Curve Equation t 109820p1 [0,0,0,-233767,43503374] 1

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