Generators selected (1); t(1, 0, 0); t(0, 1, 0); t(0, 0, 1); (2); (3)
Multiplicity, Wyckoff letter, Site symmetry | Coordinates |
|
| |
| (1) x, y, z | (2) -x, -y, z | (3) x, -y, z + 1/2 | (4) -x, y, z + 1/2 |
|
I Maximal translationengleiche subgroups
[2] P1c1 (7) | 1; 3 |
|
|
[2] Pc11 (7, P1c1) | 1; 4 | -b, a, c
|
|
[2] P112 (3) | 1; 2 |
|
|
II Maximal klassengleiche subgroups
[2] a' = 2a
Pcn2 (30, Pnc2) | <2; 3 + (1, 0, 0)> | -b, 2a, c | |
Pcn2 (30, Pnc2) | <(2; 3) + (1, 0, 0)> | -b, 2a, c | 1/2, 0, 0 |
Pcc2 (27) | <2; 3> | 2a, b, c | |
Pcc2 (27) | <3; 2 + (1, 0, 0)> | 2a, b, c | 1/2, 0, 0 |
[2] b' = 2b
Pnc2 (30) | <2; 3 + (0, 1, 0)> | a, 2b, c | |
Pnc2 (30) | <3; 2 + (0, 1, 0)> | a, 2b, c | 0, 1/2, 0 |
Pcc2 (27) | <2; 3> | a, 2b, c | |
Pcc2 (27) | <(2; 3) + (0, 1, 0)> | a, 2b, c | 0, 1/2, 0 |
[2] a' = 2a, b' = 2b
Ccc2 (37) | <2; 3> | 2a, 2b, c | |
Ccc2 (37) | <3; 2 + (1, 0, 0)> | 2a, 2b, c | 1/2, 0, 0 |
Ccc2 (37) | <(2; 3) + (0, 1, 0)> | 2a, 2b, c | 0, 1/2, 0 |
Ccc2 (37) | <2 + (1, 1, 0); 3 + (0, 1, 0)> | 2a, 2b, c | 1/2, 1/2, 0 |
[3] a' = 3a
| Pcc2 (27) | <2; 3> | 3a, b, c | | Pcc2 (27) | <3; 2 + (2, 0, 0)> | 3a, b, c | 1, 0, 0 | Pcc2 (27) | <3; 2 + (4, 0, 0)> | 3a, b, c | 2, 0, 0 |
|
[3] b' = 3b
| Pcc2 (27) | <2; 3> | a, 3b, c | | Pcc2 (27) | <(2; 3) + (0, 2, 0)> | a, 3b, c | 0, 1, 0 | Pcc2 (27) | <(2; 3) + (0, 4, 0)> | a, 3b, c | 0, 2, 0 |
|
[3] c' = 3c
Pcc2 (27) | <2; 3 + (0, 0, 1)> | a, b, 3c | |
- Series of maximal isomorphic subgroups
[p] a' = pa
Pcc2 (27) | <3; 2 + (2u, 0, 0)> | pa, b, c | u, 0, 0 | | p > 2; 0 ≤ u < p p conjugate subgroups for the prime p |
|
[p] b' = pb
Pcc2 (27) | <(2; 3) + (0, 2u, 0)> | a, pb, c | 0, u, 0 | | p > 2; 0 ≤ u < p p conjugate subgroups for the prime p |
|
[p] c' = pc
Pcc2 (27) | <2; 3 + (0, 0, p/2 - 1/2)> | a, b, pc | | | p > 2 no conjugate subgroups |
|
I Minimal translationengleiche supergroups
[2] Pccm (49); [2] Pcca (54); [2] Pccn (56); [2] P42cm (101); [2] P4cc (103); [2] P-4c2 (116) |
II Minimal non-isomorphic klassengleiche supergroups
- Additional centring translations
[2] Ccc2 (37); [2] Aem2 (39); [2] Bme2 (39, Aem2); [2] Iba2 (45) |