International
Tables for
Crystallography
Volume D
Physical properties of crystals
Edited by A. Authier

International Tables for Crystallography (2013). Vol. D, ch. 3.1, p. 379

Figure 3.1.3.2 

V. Janovecb* and V. Kopskýe
[Figure 3.1.3.2]
Figure 3.1.3.2

Lattice of subgroups of the group [6/mmm]. Conjugate subgroups are depicted as a pile of cards. In the software GI[\star]KoBo-1, one can pull out individual conjugate subgroups by clicking on the pile.