Legion of Honour is headed by the Grand Chancellor, usually a retired general, and the Secretary General, a civilian administrator. The Grand Chancery also regulates the National Order of Merit and the ' (Military Medal). There are several structures funded by and operated under the authority of the Grand Chancery, like the Legion of Honour Schools (') and the Legion of Honour Museum ('). The Legion of Honour Schools are élite boarding schools in Saint-Denis and Les Loges in the forest of Saint-Germain-en-Laye. Study there is restricted to daughters, granddaughters, and great-granddaughters of members of the order, the ' or the ". There
Group ring Group ring In algebra, a group ring is a free module and at the same time a ring, constructed in a natural way from any given ring and any given group. As a free module, its ring of scalars is the given ring, and its basis is one-to-one with the given group. As a ring, its addition law is that of the free module and its multiplication extends "by linearity" the given group law on the basis. Less formally, a group ring is a generalization of a given group, by attaching to each element of the group a "weighting factor"