p6 | No. 16 | p6 |
Generators selected (1); t(1, 0); t(0, 1); (2); (4)
General position
Multiplicity, Wyckoff letter, Site symmetry | Coordinates | |||||||||
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I Maximal translationengleiche subgroups
[2] p3 (13) | 1; 2; 3 | ||
[3] p2 (2) | 1; 4 |
II Maximal klassengleiche subgroups
- Enlarged unit cell
[3] a' = 3a, b' = 3b
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[4] a' = 2a, b' = 2b
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- Series of maximal isomorphic subgroups
[p2] a' = pa, b' = pb
p6 (16) | <2 + (u + v, -u + 2v); 4 + (2u, 2v)> | pa, pb | u, v |
p > 1; 0 ≤ u < p; 0 ≤ v < p p2 conjugate subgroups for prime p ≡ 2 (mod 3) |
[p = q2 + r2 + qr] a' = qa - rb, b' = ra + (q + r)b
p6 (16) | <2 + (u, -u); 4 + (2u, 0)> | qa - rb, ra + (q + r)b | u, 0 |
p > 2; q > 0; r > 0; 0 ≤ u < p p conjugate subgroups for each pair of q and r |
I Minimal translationengleiche supergroups
[2] p6mm (17) |
II Minimal non-isomorphic klassengleiche supergroups
- Additional centring translations
none |
- Decreased unit cell
none |