select
  group_number,                            -- GROUP_NUMBER NUMBER
  usergroup_number,                        -- USERGROUP_NUMBER NUMBER
  compound_index,                          -- COMPOUND_INDEX NUMBER
  incarnation,                             -- INCARNATION NUMBER
  owner_number,                            -- OWNER_NUMBER NUMBER
  owner_incarnation,                       -- OWNER_INCARNATION NUMBER
  name                                     -- NAME VARCHAR2(64)
from
  gv$asm_usergroup
where
  inst_id = USERENV('Instance')