1969
DOI: 10.2307/2035675
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On the H p -Problem for Finite p-Groups

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Cited by 13 publications
(20 citation statements)
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“…Se T ~ un p-gruppo 6 Hp(T) ~ T. [26], [29], [14] segue che T 6 un p-gruppo di esponente p nei seguenti casi: …”
Section: Ap Strutture Finite Con Dilatazioniunclassified
“…Se T ~ un p-gruppo 6 Hp(T) ~ T. [26], [29], [14] segue che T 6 un p-gruppo di esponente p nei seguenti casi: …”
Section: Ap Strutture Finite Con Dilatazioniunclassified
“…The conjecture was proved for metabelian groups in 1969 by Hogan and Kappe [8] and for groups with nilpotency class less than 2p − 1 in 1971 by Macdonald [19] (who earlier [18] showed the same for 2-generator groups with class less than 2p). But these results followed the discovery of the first counterexamples.…”
mentioning
confidence: 93%
“…In this paper it is shown that if G is a finite p-group and certain central factors of G are cyclic or if the normal subgroups of G of a certain order are two generated, then the Hughes conjecture is true for G. and therefore G/Z,_2 is an ECF-group of exponent p and class c-p+2. Since Hogan and Kappe [4] have shown that an ECF-group of exponent p has class at mostp, it follows that c_ 2p -2 and the result of Macdonald [9] gives a contradiction.…”
mentioning
confidence: 97%
“…Let G be a group and H2,(G) the subgroup of G generated by the elements of order different from p. Hughes [6] conjectured that if G>H2,(G)>1, then IG:H2,(G)I=p. Although Wall [11] has shown the conjecture is false for p=5, the conjecture is true in the following cases: p=2 [5], p = 3 [10], regular p-groups [4], finite groups which are not p-groups [7], finite metabelian p-groups [4] (see also [9, p. 42]), finite p-groups with class at most 2p-2 [9], finite p-groups with the property that every 3-generated subgroup has class at most p [3] and finite p-groups with cyclic lower central factors [4]. In this paper it is shown that if G is a finite p-group and certain central factors of G are cyclic or if the normal subgroups of G of a certain order are two generated, then the Hughes conjecture is true for G. and therefore G/Z,_2 is an ECF-group of exponent p and class c-p+2.…”
mentioning
confidence: 99%