Otal J.The Frattini subgroup of a group[C]//MargaritaMathematica enMemoria de Jos Javier（Chicho）GuadalupeHern ndez.Luis Espa oly J L V.Logro⒒o，Spain:Serwicio de Pub Uin de La Rioja，2001.
[2]
Robinson D J S.A Course in the Theory ofGroups[M].2nd.New York:SpringerˉVerlag，1996.
[3]
TomkinsonM J.FCˉgroup[M].Boston:Pitman，1984.
[4]
Zhang Zhiˉrang.The intersection ofmaximal subgroups with finite index[J].SEA BullMath，2000，30:1003ˉ1008.
[5]
Trahlenberg A M.The Frattini subgroup of an FCˉgroup[J].Matem Issled，1972，7:248ˉ252.
[6]
Kappe L C，Kirtland J.Some analogues of the Frattini subgroup[J].Algebra Colloq，1997，4（4）:419ˉ426.
