Cremona's table of elliptic curves

27255 = 3 · 5 · 23 · 79

Class	r	Atkin-Lehner	Eigenvalues
27255a (4 curves)	1	3+ 5+ 23+ 79+	1 3+ 5+  0  0 -2 -2 -4
Curve Equation t Generators 27255a1 [1,1,0,-398,-1737] 2 [-6904:22645:512] 27255a2 [1,1,0,-3043,62272] 4 [-354:2863:8] 27255a3 [1,1,0,62,187093] 2 [25236:490157:64] 27255a4 [1,1,0,-48468,4086927] 2 [3326:58211:8]
27255b (2 curves)	1	3+ 5+ 23- 79-	1 3+ 5+  2  4  2  6  4
Curve Equation t Generators 27255b1 [1,1,0,-20263,-1121432] 2 [6878:195419:8] 27255b2 [1,1,0,-324438,-71264187] 2 [10085658:-236459307:10648]
27255c (1 curve)	1	3+ 5- 23+ 79-	0 3+ 5- -1 -2  2  7 -4
Curve Equation t Generators 27255c1 [0,-1,1,25,1091] 1 [7:-40:1]
27255d (2 curves)	1	3+ 5- 23+ 79-	-1 3+ 5- -2 -4 -6 -6 -4
Curve Equation t Generators 27255d1 [1,1,1,95,302] 2 [2:-24:1] 27255d2 [1,1,1,-480,2142] 2 [-15:86:1]
27255e (1 curve)	1	3- 5+ 23+ 79-	-1 3- 5+  1 -4 -2  3 -1
Curve Equation t Generators 27255e1 [1,0,0,-594431,-156927870] 1 [-359:3379:1]
27255f (1 curve)	2	3- 5+ 23- 79-	-2 3- 5+ -3 -4  0 -5 -2
Curve Equation t Generators 27255f1 [0,1,1,-44896,3772960] 1 [-115:-2726:1]&[-1334:20627:8]
27255g (1 curve)	1	3- 5- 23- 79-	1 3- 5-  3 -4 -6  7 -5
Curve Equation t Generators 27255g1 [1,0,1,-213833,19670393] 1 [39:3355:1]

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

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