Finite Group Databasebeta

D384 #10683100

order768
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD384

Splittings

FittingC3×C128 ⋊ C2
SylowC3 ⋊ D128

Subgroups

subgroupG/H
centerC2D192
commutator, cosocleC3×C64C22
FrattiniC64C2×D3
FittingC3×C128C2
socleC2×C3D64
hypercenterC128D3
hypocenterC3D128
LCSG ▷ C3×C64 ▷ C3×C32 ▷ C3×C16 ▷ C3×C8 ▷ C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ C16 ◁ C32 ◁ C64 ◁ C128

46 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 131
transitive degreeμt(G) = 384

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

Polycyclic presentation:

2^8,3|c^2=de,d^2=ef,e^2=fg,f^2=gh,g^2=h,b^a=bc,c^a=cd,d^a=de,e^a=ef,f^a=fg,g^a=gh,i^a=i^2,c^b=cd,d^b=de,e^b=ef,f^b=fg,g^b=gh,i^b=i^2

Conjugacy classes & character table

195 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD768, D1152, D2688, …
maximal normal subgroup ofD768
maximal quotient ofD768, D1152, Dic384, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(768, 57481);