Cremona's table of elliptic curves

41820 = 2² · 3 · 5 · 17 · 41

Class	r	Atkin-Lehner	Eigenvalues
41820a (1 curve)	1	2- 3+ 5+ 17- 41+	2- 3+ 5+ -1  3  5 17- -4
Curve Equation t Generators 41820a1 [0,-1,0,-276,-1224] 1 [-86:157:8]
41820b (2 curves)	1	2- 3+ 5- 17+ 41+	2- 3+ 5-  4  6 -2 17+ -2
Curve Equation t Generators 41820b1 [0,-1,0,-493705,133685650] 2 [405:35:1] 41820b2 [0,-1,0,-493660,133711192] 2 [214:6150:1]
41820c (1 curve)	1	2- 3+ 5- 17- 41-	2- 3+ 5-  0 -2  1 17- -2
Curve Equation t Generators 41820c1 [0,-1,0,-12670,562357] 1 [-81:1025:1]
41820d (2 curves)	1	2- 3+ 5- 17- 41-	2- 3+ 5-  0 -2  6 17- -2
Curve Equation t Generators 41820d1 [0,-1,0,-111605,-14283930] 2 [-24955:1573:125] 41820d2 [0,-1,0,-1784660,-917064408] 2 [-170734089130:-67951078:221445125]
41820e (1 curve)	1	2- 3+ 5- 17- 41-	2- 3+ 5-  3 -1  3 17- -4
Curve Equation t Generators 41820e1 [0,-1,0,-10540,417112] 1 [54:50:1]
41820f (1 curve)	1	2- 3+ 5- 17- 41-	2- 3+ 5-  4 -6 -3 17- -6
Curve Equation t Generators 41820f1 [0,-1,0,-90,405] 1 [11:25:1]
41820g (2 curves)	0	2- 3- 5+ 17+ 41-	2- 3- 5+  2  0 -1 17+  8
Curve Equation t 41820g1 [0,1,0,19474,380889] 3 41820g2 [0,1,0,-224066,-47764755] 1
41820h (2 curves)	1	2- 3- 5+ 17- 41-	2- 3- 5+ -1 -3  5 17- -4
Curve Equation t Generators 41820h1 [0,1,0,-48556,156644] 3 [-88:1938:1] 41820h2 [0,1,0,-2641396,-1653205420] 1 [-7510:855:8]
41820i (2 curves)	1	2- 3- 5- 17+ 41-	2- 3- 5-  0 -2  2 17+ -2
Curve Equation t Generators 41820i1 [0,1,0,-1725,27000] 2 [20:30:1] 41820i2 [0,1,0,-1980,18228] 2 [58:525:8]
41820j (1 curve)	1	2- 3- 5- 17- 41+	2- 3- 5-  3 -3 -1 17- -4
Curve Equation t Generators 41820j1 [0,1,0,-1820,-23580] 1 [-32:54:1]
41820k (1 curve)	1	2- 3- 5- 17- 41+	2- 3- 5- -5  3 -1 17- -4
Curve Equation t Generators 41820k1 [0,1,0,-1500,21828] 1 [8:102:1]
41820l (1 curve)	0	2- 3- 5- 17- 41-	2- 3- 5-  1  5 -5 17-  4
Curve Equation t 41820l1 [0,1,0,-56100,5095668] 1

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