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Symmetry operations of the Double Space Group P21 (No. 4)


N Shorthand
notation		 Matrix presentation Seitz symbol
(0,0,0)+set
1x,y,z
s+,s-
(
   1   0   0      0
   0   1   0      0
   0   0   1      0
)
(
 1 0
 0 1
)
{1|0,0,0}
2-x,1/2+y,-z
-s-,s+
(
  -1   0   0      0
   0   1   0    1/2
   0   0  -1      0
)
(
  0 -1
  1  0
)
{2010|0,1/2,0}
3x,y,z
-s+,-s-
(
   1   0   0      0
   0   1   0      0
   0   0   1      0
)
(
 -1  0
  0 -1
)
{d1|0,0,0}
4-x,1/2+y,-z
s-,-s+
(
  -1   0   0      0
   0   1   0    1/2
   0   0  -1      0
)
(
  0  1
 -1  0
)
{d2010|0,1/2,0}


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