pm No. 3 p1m1

Generators selected (1); t(1, 0); t(0, 1); (2)

General position

Multiplicity, Wyckoff letter,
Site symmetry		 Coordinates
 
2 c 1
(1) x, y(2) -x, y 

I Maximal translationengleiche subgroups

[2] p1 (1)1

II Maximal klassengleiche subgroups

[2] a' = 2a

pm (3)<2>2a, b
pm (3)<2 + (1, 0)>2a, b1/2, 0

[2] b' = 2b

pg (4)<2 + (0, 1)>a, 2b
pm (3)<2>a, 2b

[2] a' = 2a, b' = 2b

cm (5)<2>2a, 2b
cm (5)<2 + (1, 0)>2a, 2b1/2, 0

[3] a' = 3a

bracepm (3)<2>3a, b
pm (3)<2 + (2, 0)>3a, b1, 0
pm (3)<2 + (4, 0)>3a, b2, 0

[3] b' = 3b

pm (3)<2>a, 3b

[p] a' = pa

pm (3)<2 + (2u, 0)>pa, bu, 0
 p > 2; 0 ≤ u < p
p conjugate subgroups for the prime p

[p] b' = pb

pm (3)<2>a, pb
 p > 1
no conjugate subgroups

I Minimal translationengleiche supergroups

[2] p2mm (6); [2] p2mg (7)

II Minimal non-isomorphic klassengleiche supergroups

[2] cm (5)
none








































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