Bilbao Crystallographic Server => Hermann Group Help

Hermann Group

Hermann Group
For a given group and supergroup the program HERMANN will give the representatives of the classes of conjugate subgroups based in a two step procedure through the Hermann group.

As an input data you should give (or select) the numbers of the group and the subgroup, and the index.

How to obtain a valid index ?

Please, enter the sequential numbers of group and subgroup as given in International Tables for Crystallography, Vol. A:
Enter supergroup number (G) or choose it:
Enter subgroup number (H) or choose it:
Enter the index [G:H]

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