Cremona's table of elliptic curves

7420 = 2² · 5 · 7 · 53

Class	r	Atkin-Lehner	Eigenvalues
7420a (2 curves)	1	2- 5+ 7- 53+	2-  1 5+ 7-  0  5 -3 -7
Curve Equation t Generators 7420a1 [0,1,0,-196,9604] 3 [-21:70:1] 7420a2 [0,1,0,1764,-257740] 1 [2289:19250:27]
7420b (1 curve)	1	2- 5+ 7- 53+	2- -3 5+ 7-  3  1  7 -6
Curve Equation t Generators 7420b1 [0,0,0,-853408,303447268] 1 [536:106:1]
7420c (2 curves)	0	2- 5+ 7- 53-	2-  1 5+ 7-  3  5  3  2
Curve Equation t 7420c1 [0,1,0,-201621,48078359] 3 7420c2 [0,1,0,1596139,-620283865] 1
7420d (1 curve)	1	2- 5- 7+ 53+	2- -1 5- 7+  4 -3 -3  3
Curve Equation t Generators 7420d1 [0,-1,0,-1380,20200] 1 [30:70:1]

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

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