UNIQUE AXIS b, CELL CHOICE 1
Generators selected (1); t(1, 0, 0); t(0, 1, 0); t(0, 0, 1); t(1/2, 1/2, 0); (2); (3)
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 | (4) x, -y, z |
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I Maximal translationengleiche subgroups
| [2] C1m1 (8) | (1; 4)+ |
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| [2] C121 (5) | (1; 2)+ |
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| [2] C-1 (2, P-1) | (1; 3)+ | 1/2(a - b), 1/2(a + b), c
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II Maximal klassengleiche subgroups
- Loss of centring translations
| [2] P121/a1 (14, P121/c1) | 1; 3; (2; 4) + (1/2, 1/2, 0) | c, b, -a | |
| [2] P12/a1 (13, P12/c1) | 1; 2; (3; 4) + (1/2, 1/2, 0) | c, b, -a | 1/4, 1/4, 0 |
| [2] P121/m1 (11) | 1; 4; (2; 3) + (1/2, 1/2, 0) | c, b, -a | 1/4, 1/4, 0 |
| [2] P12/m1 (10) | 1; 2; 3; 4 | | |
[2] c' = 2c
| C12/c1 (15) | <3; 2 + (0, 0, 1)> | a, b, 2c | |
| C12/c1 (15) | <2; 3 + (0, 0, 1)> | a, b, 2c | 0, 0, 1/2 |
| I12/c1 (15, C12/c1) | <3; 2 + (0, 0, 1)> | a - 2c, b, 2c | |
| I12/c1 (15, C12/c1) | <2; 3 + (0, 0, 1)> | a - 2c, b, 2c | 0, 0, 1/2 |
| C12/m1 (12) | <2; 3> | a, b, 2c | |
| C12/m1 (12) | <(2; 3) + (0, 0, 1)> | a, b, 2c | 0, 0, 1/2 |
| I12/m1 (12, C12/m1) | <2; 3> | a - 2c, b, 2c | |
| I12/m1 (12, C12/m1) | <(2; 3) + (0, 0, 1)> | a - 2c, b, 2c | 0, 0, 1/2 |
[3] b' = 3b
 | C12/m1 (12) | <2; 3> | a, 3b, c | | | C12/m1 (12) | <2; 3 + (0, 2, 0)> | a, 3b, c | 0, 1, 0 | | C12/m1 (12) | <2; 3 + (0, 4, 0)> | a, 3b, c | 0, 2, 0 |
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[3] c' = 3c
| C12/m1 (12) | <2; 3> | a, b, 3c | | | C12/m1 (12) | <(2; 3) + (0, 0, 2)> | a, b, 3c | 0, 0, 1 | | C12/m1 (12) | <(2; 3) + (0, 0, 4)> | a, b, 3c | 0, 0, 2 |
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[3] a' = a - 2c, c' = 3c
| C12/m1 (12) | <2; 3> | a - 2c, b, 3c | | | C12/m1 (12) | <(2; 3) + (0, 0, 2)> | a - 2c, b, 3c | 0, 0, 1 | | C12/m1 (12) | <(2; 3) + (0, 0, 4)> | a - 2c, b, 3c | 0, 0, 2 |
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[3] a' = a - 4c, c' = 3c
| C12/m1 (12) | <2; 3> | a - 4c, b, 3c | | | C12/m1 (12) | <(2; 3) + (0, 0, 2)> | a - 4c, b, 3c | 0, 0, 1 | | C12/m1 (12) | <(2; 3) + (0, 0, 4)> | a - 4c, b, 3c | 0, 0, 2 |
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[3] a' = 3a
| C12/m1 (12) | <2; 3> | 3a, b, c | | | C12/m1 (12) | <(2; 3) + (2, 0, 0)> | 3a, b, c | 1, 0, 0 | | C12/m1 (12) | <(2; 3) + (4, 0, 0)> | 3a, b, c | 2, 0, 0 |
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- Series of maximal isomorphic subgroups
[p] b' = pb
| C12/m1 (12) | <2; 3 + (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] a' = a - 2qc, c' = pc
| C12/m1 (12) | <(2; 3) + (0, 0, 2u)> | a - 2qc, b, pc | 0, 0, u | | | p > 2; 0 ≤ q < p; 0 ≤ u < p
p conjugate subgroups for each pair of q and prime p |
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[p] a' = pa
| C12/m1 (12) | <(2; 3) + (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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I Minimal translationengleiche supergroups
| [2] Cmcm (63); [2] Cmce (64); [2] Cmmm (65); [2] Cmme (67); [2] Fmmm (69); [2] Immm (71); [2] Ibam (72); [2] Imma (74); [2] I4/m (87); [3] P-312/m (162, P-31m); [3] P-32/m1 (164, P-3m1); [3] R-32/m (166, R-3m) |
II Minimal non-isomorphic klassengleiche supergroups
- Additional centring translations
| [2] a' = 1/2a, b' = 1/2b P12/m1 (10) |
