Bilbao Crystallographic Server arrow Minimal Supergroups List Help

Minimal supergroups (of index 2, 3 and 4) of group Cc (No. 9) [unique axis b]

Minimal Supergroups
The list with the minimal supergroup types is given in the table. Each supergroup type is specified by its ITA number and the corresponding Hermann-Mauguin symbol. Also, the index of the supergroup and the supergroup type is given. To see all the transformation matrices that relate the supergroup of a given type with the subgroup, click on the link in the column Subgroup data.

To see all possible supergroups of a given type select the type of the supergroup, and then click over [Show]

To calculate the minimal isomorphic supergroups of index greater than seven click on the link of the index.

NHM symbolITA numberIndexTypeSubgroup data
1C2/c152ttransformation...
2Cmc21362ttransformation...
3Ccc2372ttransformation...
4Ama2402ttransformation...
5Aea2412ttransformation...
6Fdd2432ttransformation...
7Iba2452ttransformation...
8Ima2462ttransformation...
9P3c11583ttransformation...
10P31c1593ttransformation...
11R3c1613ttransformation...
12Cm82ktransformation...
13Pc72ktransformation...
14Cc93ktransformation...
15Cc95ktransformation...
16Cc97ktransformation...

If you want to calculate a minimal isomorphic supergroup of higher index choose it from here:

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