p4mm | No. 11 | p4mm |
Generators selected (1); t(1, 0); t(0, 1); (2); (3); (5)
General position
Multiplicity, Wyckoff letter, Site symmetry | Coordinates | |||||||||||
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I Maximal translationengleiche subgroups
[2] p411 (10, p4) | 1; 2; 3; 4 | ||
[2] p21m (9, c2mm) | 1; 2; 7; 8 | a - b, a + b | |
[2] p2m1 (6, p2mm) | 1; 2; 5; 6 |
II Maximal klassengleiche subgroups
- Enlarged unit cell
[2] a' = 2a, b' = 2b
c4mg (12, p4gm) | <2 + (1, 1); 3 + (1, 0); 5 + (2, 0)> | a - b, a + b | 1/2, 1/2 |
c4mg (12, p4gm) | <2; 3; 5 + (1, 0)> | a - b, a + b | |
c4mm (11, p4mm) | <2; 3; 5> | a - b, a + b | |
c4mm (11, p4mm) | <2 + (1, 1); (3; 5) + (1, 0)> | a - b, a + b | 1/2, 1/2 |
- Series of maximal isomorphic subgroups
[p2] a' = pa, b' = pb
p4mm (11) | <2 + (2u, 2v); 3 + (u + v, -u + v); 5 + (2u, 0)> | pa, pb | u, v |
p > 2; 0 ≤ u < p; 0 ≤ v < p p2 conjugate subgroups for the prime p |
I Minimal translationengleiche supergroups
none |
II Minimal non-isomorphic klassengleiche supergroups
- Additional centring translations
none |
- Decreased unit cell
none |