Generators selected (1); t(1, 0, 0); t(0, 1, 0); t(0, 0, 1); t(1/2, 1/2, 0); (2); (3); (5)
Multiplicity, Wyckoff letter, Site symmetry | Coordinates |
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| (0, 0, 0)+ (1/2, 1/2, 0)+ |
| (1) x, y, z | (2) -x, -y, z | (3) -x, y, -z + 1/2 | (4) x, -y, -z + 1/2 | (5) -x, -y, -z | (6) x, y, -z | (7) x, -y, z + 1/2 | (8) -x, y, z + 1/2 |
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I Maximal translationengleiche subgroups
[2] Cc2m (40, Ama2) | (1; 3; 6; 8)+ | c, a, b
| 0, 0, 1/4
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[2] C2cm (40, Ama2) | (1; 4; 6; 7)+ | c, b, -a
| 0, 0, 1/4
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[2] Ccc2 (37) | (1; 2; 7; 8)+ |
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[2] C222 (21) | (1; 2; 3; 4)+ |
| 0, 0, 1/4
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[2] C12/c1 (15) | (1; 3; 5; 7)+ |
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[2] C2/c11 (15, C12/c1) | (1; 4; 5; 8)+ | -b, a, c
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[2] C112/m (10, P112/m) | (1; 2; 5; 6)+ | 1/2(a - b), 1/2(a + b), c
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II Maximal klassengleiche subgroups
- Loss of centring translations
[2] Pnnm (58) | 1; 2; 5; 6; (3; 4; 7; 8) + (1/2, 1/2, 0) | | |
[2] Pccn (56) | 1; 2; 7; 8; (3; 4; 5; 6) + (1/2, 1/2, 0) | | 1/4, 1/4, 0 |
[2] Pcnm (53, Pmna) | 1; 3; 6; 8; (2; 4; 5; 7) + (1/2, 1/2, 0) | c, b, -a | 1/4, 1/4, 0 |
[2] Pncm (53, Pmna) | 1; 4; 6; 7; (2; 3; 5; 8) + (1/2, 1/2, 0) | c, a, b | 1/4, 1/4, 0 |
[2] Pncn (52, Pnna) | 1; 3; 5; 7; (2; 4; 6; 8) + (1/2, 1/2, 0) | c, a, b | |
[2] Pcnn (52, Pnna) | 1; 4; 5; 8; (2; 3; 6; 7) + (1/2, 1/2, 0) | c, b, -a | |
[2] Pccm (49) | 1; 2; 3; 4; 5; 6; 7; 8 | | |
[2] Pnnn (48) | 1; 2; 3; 4; (5; 6; 7; 8) + (1/2, 1/2, 0) | | 1/4, 1/4, 0 |
[3] a' = 3a
 | Cccm (66) | <2; 3; 5> | 3a, b, c | | Cccm (66) | <(2; 3; 5) + (2, 0, 0)> | 3a, b, c | 1, 0, 0 | Cccm (66) | <(2; 3; 5) + (4, 0, 0)> | 3a, b, c | 2, 0, 0 |
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[3] b' = 3b
 | Cccm (66) | <2; 3; 5> | a, 3b, c | | Cccm (66) | <3; (2; 5) + (0, 2, 0)> | a, 3b, c | 0, 1, 0 | Cccm (66) | <3; (2; 5) + (0, 4, 0)> | a, 3b, c | 0, 2, 0 |
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[3] c' = 3c
 | Cccm (66) | <2; 5; 3 + (0, 0, 1)> | a, b, 3c | | Cccm (66) | <2; 3 + (0, 0, 3); 5 + (0, 0, 2)> | a, b, 3c | 0, 0, 1 | Cccm (66) | <2; 3 + (0, 0, 5); 5 + (0, 0, 4)> | a, b, 3c | 0, 0, 2 |
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- Series of maximal isomorphic subgroups
[p] a' = pa
Cccm (66) | <(2; 3; 5) + (2u, 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
Cccm (66) | <3; (2; 5) + (0, 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
Cccm (66) | <2; 3 + (0, 0, p/2 - 1/2 + 2u); 5 + (0, 0, 2u)> | a, b, pc | 0, 0, u | | p > 2; 0 ≤ u < p p conjugate subgroups for the prime p |
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I Minimal translationengleiche supergroups
[2] P4/mcc (124); [2] P4/mnc (128); [2] P42/mmc (131); [2] P42/mbc (135); [3] P6/mcc (192) |
II Minimal non-isomorphic klassengleiche supergroups
- Additional centring translations
[2] a' = 1/2a, b' = 1/2b Pccm (49); [2] c' = 1/2c Cmmm (65) |