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from sympy import *
q = 27
d = 3
c = [ Matrix(x) for x in [
(-1, 1, 1), ( 0, 1, 1), ( 1, 1, 1), (-1, 0, 1), ( 0, 0, 1), ( 1, 0, 1), (-1,-1, 1), ( 0, -1, 1), ( 1, -1, 1),
(-1, 1, 0), ( 0, 1, 0), ( 1, 1, 0), (-1, 0, 0), ( 0, 0, 0), ( 1, 0, 0), (-1,-1, 0), ( 0, -1, 0), ( 1, -1, 0),
(-1, 1,-1), ( 0, 1,-1), ( 1, 1,-1), (-1, 0,-1), ( 0, 0,-1), ( 1, 0,-1), (-1,-1,-1), ( 0, -1,-1), ( 1, -1,-1)
]]
w = [Rational(*x) for x in [
(1, 216), (1,54), (1,216), (1,54), (2,27), (1,54), (1,216), (1,54), (1,216),
(1, 54), (2,27), (1, 54), (2,27), (8,27), (2,27), (1, 54), (2,27), (1, 54),
(1, 216), (1,54), (1,216), (1,54), (2,27), (1,54), (1,216), (1,54), (1,216)
]]
c_s = sqrt(Rational(1,3))
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