Generators selected (1); t(1, 0); t(0, 1); (2)
Multiplicity, Wyckoff letter,
Site symmetry | Coordinates |
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I Maximal translationengleiche subgroups
II Maximal klassengleiche subgroups
[2] a' = 2a
| p2 (2) | <2> | 2a, b | |
| p2 (2) | <2 + (1, 0)> | 2a, b | 1/2, 0 |
[2] b' = 2b
| p2 (2) | <2> | a, 2b | |
| p2 (2) | <2 + (0, 1)> | a, 2b | 0, 1/2 |
[2] a' = 2a, b' = 2b
| c2 (2, p2) | <2> | 2a, -a + b | |
| c2 (2, p2) | <2 + (1, 0)> | 2a, -a + b | 1/2, 0 |
[3] a' = 3a
 | p2 (2) | <2> | 3a, b | | | p2 (2) | <2 + (2, 0)> | 3a, b | 1, 0 | | p2 (2) | <2 + (4, 0)> | 3a, b | 2, 0 |
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[3] a' = 3a, b' = -a + b
| p2 (2) | <2> | 3a, -a + b | | | p2 (2) | <2 + (2, 0)> | 3a, -a + b | 1, 0 | | p2 (2) | <2 + (4, 0)> | 3a, -a + b | 2, 0 |
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[3] a' = 3a, b' = -2a + b
| p2 (2) | <2> | 3a, -2a + b | | | p2 (2) | <2 + (2, 0)> | 3a, -2a + b | 1, 0 | | p2 (2) | <2 + (4, 0)> | 3a, -2a + b | 2, 0 |
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[3] b' = 3b
| p2 (2) | <2> | a, 3b | | | p2 (2) | <2 + (0, 2)> | a, 3b | 0, 1 | | p2 (2) | <2 + (0, 4)> | a, 3b | 0, 2 |
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- Series of maximal isomorphic subgroups
[p] a' = pa, b' = -qa + b
| p2 (2) | <2 + (2u, 0)> | pa, -qa + b | u, 0 |
| | p > 2; 0 ≤ q < p; 0 ≤ u < p
p conjugate subgroups for each pair of q and prime p |
[p] b' = pb
| p2 (2) | <2 + (0, 2u)> | a, pb | 0, u |
| | p > 2; 0 ≤ u < p
p conjugate subgroups for the prime p |
I Minimal translationengleiche supergroups
| [2] p2mm (6); [2] p2mg (7); [2] p2gg (8); [2] c2mm (9); [2] p4 (10); [2] p6 (16) |
II Minimal non-isomorphic klassengleiche supergroups
- Additional centring translations
