Generators selected (1); t(1, 0, 0); t(0, 1, 0); t(0, 0, 1); (2); (3)
Multiplicity, Wyckoff letter, Site symmetry | Coordinates |
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| (1) x, y, z | (2) -x, -y, z | (3) x + 1/2, -y + 1/2, z | (4) -x + 1/2, y + 1/2, z |
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I Maximal translationengleiche subgroups
[2] P1a1 (7, P1c1) | 1; 3 | -a - c, b, a
| 0, 1/4, 0
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[2] Pb11 (7, P1c1) | 1; 4 | c, a, b
| 1/4, 0, 0
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[2] P112 (3) | 1; 2 |
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II Maximal klassengleiche subgroups
[2] c' = 2c
Pnn2 (34) | <2; 3 + (0, 0, 1)> | a, b, 2c | |
Pna21 (33) | <3; 2 + (0, 0, 1)> | a, b, 2c | |
Pbn21 (33, Pna21) | <(2; 3) + (0, 0, 1)> | -b, a, 2c | |
Pba2 (32) | <2; 3> | a, b, 2c | |
[3] a' = 3a
| Pba2 (32) | <2; 3 + (1, 0, 0)> | 3a, b, c | | Pba2 (32) | <2 + (2, 0, 0); 3 + (1, 0, 0)> | 3a, b, c | 1, 0, 0 | Pba2 (32) | <2 + (4, 0, 0); 3 + (1, 0, 0)> | 3a, b, c | 2, 0, 0 |
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[3] b' = 3b
| Pba2 (32) | <2; 3 + (0, 1, 0)> | a, 3b, c | | Pba2 (32) | <2 + (0, 2, 0); 3 + (0, 3, 0)> | a, 3b, c | 0, 1, 0 | Pba2 (32) | <2 + (0, 4, 0); 3 + (0, 5, 0)> | a, 3b, c | 0, 2, 0 |
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[3] c' = 3c
- Series of maximal isomorphic subgroups
[p] a' = pa
Pba2 (32) | <2 + (2u, 0, 0); 3 + (p/2 - 1/2, 0, 0)> | pa, b, c | u, 0, 0 | | p > 2; 0 ≤ u < p p conjugate subgroups for the prime p |
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[p] b' = pb
Pba2 (32) | <2 + (0, 2u, 0); 3 + (0, p/2 - 1/2 + 2u, 0)> | a, pb, c | 0, u, 0 | | p > 2; 0 ≤ u < p p conjugate subgroups for the prime p |
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[p] c' = pc
Pba2 (32) | <2; 3> | a, b, pc | | | p > 1 no conjugate subgroups |
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I Minimal translationengleiche supergroups
[2] Pban (50); [2] Pcca (54); [2] Pbam (55); [2] P4bm (100); [2] P42bc (106); [2] P-4b2 (117) |
II Minimal non-isomorphic klassengleiche supergroups
- Additional centring translations
[2] Cmm2 (35); [2] Aea2 (41); [2] Bbe2 (41, Aea2); [2] Iba2 (45) |
[2] a' = 1/2a Pbm2 (28, Pma2); [2] b' = 1/2b Pma2 (28) |