Finite Group Databasebeta

D447 #11725232

order894
isoclinismisoclinic class of D447
automorphismAut(G) order 132312
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD447
unambiguous semidirect productC3⋊D149
unambiguous semidirect productC149⋊D3

Splittings

Fitting, socle, derived, HallC3×C149 ⋊ C2
SylowC149 ⋊ D3
SylowC3 ⋊ D149

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C149C2
LCSG ▷ C3×C149
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 152
transitive degreeμt(G) = 447

A minimal faithful permutation representation — 2 generators on 152 points:

(1,2,3)(4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152);(2,3)(5,152)(6,151)(7,150)(8,149)(9,148)(10,147)(11,146)(12,145)(13,144)(14,143)(15,142)(16,141)(17,140)(18,139)(19,138)(20,137)(21,136)(22,135)(23,134)(24,133)(25,132)(26,131)(27,130)(28,129)(29,128)(30,127)(31,126)(32,125)(33,124)(34,123)(35,122)(36,121)(37,120)(38,119)(39,118)(40,117)(41,116)(42,115)(43,114)(44,113)(45,112)(46,111)(47,110)(48,109)(49,108)(50,107)(51,106)(52,105)(53,104)(54,103)(55,102)(56,101)(57,100)(58,99)(59,98)(60,97)(61,96)(62,95)(63,94)(64,93)(65,92)(66,91)(67,90)(68,89)(69,88)(70,87)(71,86)(72,85)(73,84)(74,83)(75,82)(76,81)(77,80)(78,79)

Polycyclic presentation:

2,3,149|b^a=b^2,c^a=c^148

Conjugacy classes & character table

225 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD3×D149, C2×D447, D1341, …
maximal normal subgroup ofD3×D149, C2×D447, C3×D447, …
maximal quotient ofDic447, C2×D447, D1341, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(894, 3);