Bilbao Crystallographic Server arrow Minimal Supergroups List Help

Minimal supergroups (of index 2, 3 and 4) of group C2/c (No. 15) [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
1Cmcm632ttransformation...
2Cmce642ttransformation...
3Cccm662ttransformation...
4Ccce682ttransformation...
5Fddd702ttransformation...
6Ibam722ttransformation...
7Ibca732ttransformation...
8Imma742ttransformation...
9I41/a882ttransformation...
10P-31c1633ttransformation...
11P-3c11653ttransformation...
12R-3c1673ttransformation...
13C2/m122ktransformation...
14P2/c132ktransformation...
15C2/c153ktransformation...
16C2/c155ktransformation...
17C2/c157ktransformation...

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

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