Bilbao Crystallographic Server arrow Minimal Supergroups List Help

Minimal supergroups (of index 2, 3 and 4) of group Pc (No. 7) [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
1P2/c132ttransformation...
2P21/c142ttransformation...
3Pmc21262ttransformation...
4Pcc2272ttransformation...
5Pma2282ttransformation...
6Pca21292ttransformation...
7Pnc2302ttransformation...
8Pmn21312ttransformation...
9Pba2322ttransformation...
10Pna21332ttransformation...
11Pnn2342ttransformation...
12Aem2392ttransformation...
13Aea2412ttransformation...
14Cm82ktransformation...
15Cc92ktransformation...
16Pm62ktransformation...
17Pc72ktransformation...
18Pc73ktransformation...
19Pc75ktransformation...
20Pc77ktransformation...

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

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