private AuthorizationGroupPE createAuthGroupInDB(String authGroupCode) {
   AuthorizationGroupPE group = new AuthorizationGroupPE();
   group.setCode(authGroupCode);
   group.setDatabaseInstance(daoFactory.getHomeDatabaseInstance());
   group.setDescription("Rivia users");
   group.setRegistrator(getSystemPerson());
   daoFactory.getAuthorizationGroupDAO().create(group);
   return daoFactory.getAuthorizationGroupDAO().tryFindByCode(authGroupCode);
 }