Cccm No. 66 C2/c2/c2/m D2h20

Generators selected (1); t(1, 0, 0); t(0, 1, 0); t(0, 0, 1); t(1/21/2, 0); (2); (3); (5)

General position

Multiplicity, Wyckoff letter,
Site symmetry
Coordinates

 (0, 0, 0)+  (1/21/2, 0)+  
16 m 1
(1) xyz(2) -x-yz(3) -xy-z + 1/2(4) x-y-z + 1/2
(5) -x-y-z(6) xy-z(7) x-yz + 1/2(8) -xyz + 1/2

I Maximal translationengleiche subgroups

[2] Cc2m (40Ama2)(1; 3; 6; 8)+cab 0, 0, 1/4
[2] C2cm (40Ama2)(1; 4; 6; 7)+cb, -a 0, 0, 1/4
[2] Ccc2 (37)(1; 2; 7; 8)+
[2] C222 (21)(1; 2; 3; 4)+ 0, 0, 1/4
[2] C12/c1 (15)(1; 3; 5; 7)+
[2] C2/c11 (15C12/c1)(1; 4; 5; 8)+-bac
[2] C112/m (10P112/m)(1; 2; 5; 6)+1/2(a - b), 1/2(a + b), c

II Maximal klassengleiche subgroups

[2] Pnnm (58)1; 2; 5; 6; (3; 4; 7; 8) + (1/21/2, 0)
[2] Pccn (56)1; 2; 7; 8; (3; 4; 5; 6) + (1/21/2, 0)1/41/4, 0
[2] Pcnm (53Pmna)1; 3; 6; 8; (2; 4; 5; 7) + (1/21/2, 0)cb, -a1/41/4, 0
[2] Pncm (53Pmna)1; 4; 6; 7; (2; 3; 5; 8) + (1/21/2, 0)cab1/41/4, 0
[2] Pncn (52Pnna)1; 3; 5; 7; (2; 4; 6; 8) + (1/21/2, 0)cab
[2] Pcnn (52Pnna)1; 4; 5; 8; (2; 3; 6; 7) + (1/21/2, 0)cb, -a
[2] Pccm (49)1; 2; 3; 4; 5; 6; 7; 8
[2] Pnnn (48)1; 2; 3; 4; (5; 6; 7; 8) + (1/21/2, 0)1/41/4, 0

[3] a' = 3a

braceCccm (66)<2; 3; 5>3abc
Cccm (66)<(2; 3; 5) + (2, 0, 0)>3abc1, 0, 0
Cccm (66)<(2; 3; 5) + (4, 0, 0)>3abc2, 0, 0

[3] b' = 3b

braceCccm (66)<2; 3; 5>a, 3bc
Cccm (66)<3; (2; 5) + (0, 2, 0)>a, 3bc0, 1, 0
Cccm (66)<3; (2; 5) + (0, 4, 0)>a, 3bc0, 2, 0

[3] c' = 3c

braceCccm (66)<2; 5; 3 + (0, 0, 1)>ab, 3c
Cccm (66)<2; 3 + (0, 0, 3); 5 + (0, 0, 2)>ab, 3c0, 0, 1
Cccm (66)<2; 3 + (0, 0, 5); 5 + (0, 0, 4)>ab, 3c0, 0, 2

[p] a' = pa


Cccm (66)<(2; 3; 5) + (2u, 0, 0)>pabcu, 0, 0
 p > 2; 0 ≤ u < p
p conjugate subgroups for the prime p

[p] b' = pb


Cccm (66)<3; (2; 5) + (0, 2u, 0)>apbc0, u, 0
 p > 2; 0 ≤ u < p
p conjugate subgroups for the prime p

[p] c' = pc


Cccm (66)<2; 3 + (0, 0, p/2 - 1/2 + 2u); 5 + (0, 0, 2u)>abpc0, 0, u
 p > 2; 0 ≤ u < p
p conjugate subgroups for the prime p

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

[2] Fmmm (69)
[2] a' = 1/2a, b' = 1/2b  Pccm (49); [2] c' = 1/2c  Cmmm (65)








































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