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Model subgroups of finite soluble groups
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Carr, Ben (1998) Model subgroups of finite soluble groups. PhD thesis, University of Warwick.

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Official URL: http://webcat.warwick.ac.uk/record=b1370056~S1
Abstract
In this thesis we begin the study of finite groups possessing a model subgroup, where a model subgroup H of a finite group G is defined to be a subgroup satisfying
〖1H〗^(↑G)=∑_(x∊∕π(G))▒X
We show that a finite nilpotent group possesses a model subgroup if and only if it is abelian and that a Frobenius group with Frobenius complement C and Frobenius kernel N possesses a model subgroup if and only if
(a) N is elementary abelian of order r".
(b) C is cyclic of order (r" — 1 )/(rd — 1), for some d dividing n.
(c) The finite field F=Frn has an additive abelian subgroup HF of order rd satisfying NormF/K(HF) =K, where K=Frd.
We then go on to conjecture that a finite soluble group G possessing a model subgroup is either metabelian or has a normal subgroup N such that G/N is a Frobenius group with cyclic Frobenius complement of order 2" +1 and elementary abelian Frobenius kernel of order 22". We consider a series of cases that need to be excluded in order to prove the conjecture and present some examples that shed light on the problems still to be overcome.
Item Type:  Thesis or Dissertation (PhD)  

Subjects:  Q Science > QA Mathematics  
Library of Congress Subject Headings (LCSH):  Finite groups, Solvable groups, Mathematics  
Official Date:  December 1998  
Dates: 


Institution:  University of Warwick  
Theses Department:  Mathematics Institute  
Thesis Type:  PhD  
Publication Status:  Unpublished  
Supervisor(s)/Advisor:  Hawkes, Trevor O.,1936  
Sponsors:  Science and Engineering Research Council (Great Britain)  
Extent:  v, 176 leaves  
Language:  eng 
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