Cremona's table of elliptic curves

23240 = 2³ · 5 · 7 · 83

Class	r	Atkin-Lehner	Eigenvalues
23240a (1 curve)	1	2+ 5+ 7+ 83+	2+  1 5+ 7+  3  5  1 -6
Curve Equation t Generators 23240a1 [0,1,0,-1321,18235] 1 [39:166:1]
23240b (1 curve)	1	2+ 5+ 7+ 83+	2+ -2 5+ 7+  0 -4  7  6
Curve Equation t Generators 23240b1 [0,1,0,-73256,7607200] 1 [156:4:1]
23240c (1 curve)	1	2+ 5- 7- 83+	2+  2 5- 7-  0  0 -7 -2
Curve Equation t Generators 23240c1 [0,-1,0,-90280,-17669028] 1 [10038:3340:27]
23240d (1 curve)	1	2- 5+ 7+ 83-	2- -1 5+ 7+ -1 -1  3 -8
Curve Equation t Generators 23240d1 [0,-1,0,119,13181] 1 [23:166:1]
23240e (1 curve)	0	2- 5- 7+ 83-	2-  1 5- 7+  3  5  5  0
Curve Equation t 23240e1 [0,1,0,335,1315] 1
23240f (1 curve)	0	2- 5- 7+ 83-	2-  2 5- 7+ -4 -4  3 -2
Curve Equation t 23240f1 [0,-1,0,3520,991772] 1
23240g (1 curve)	1	2- 5- 7- 83-	2- -3 5- 7-  3 -1  1 -6
Curve Equation t Generators 23240g1 [0,0,0,-12652,-3959804] 1 [192:830:1]

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

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