Finite Group Databasebeta

Dic218 #11724787

order872
automorphismAut(G) order 94176
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C1

Aliases

dicyclicDic218
unambiguous semidirect productC109⋊Q8

Splittings

SylowC109 ⋊ Q8

Subgroups

subgroupG/H
center, FrattiniC2C2×D109
commutator, socle, prime radical, cosocleC2×C109C22
FittingC4×C109C2
hypercenterC4D109
hypocenterC109Q8
LCSG ▷ C2×C109 ▷ C109
UCSC1 ◁ C2 ◁ C4

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 117
transitive degreeμt(G) = 872

A minimal faithful permutation representation — 2 generators on 117 points:

(1,2,3,4)(5,8,7,6)(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);(1,5,3,7)(2,6,4,8)(10,117)(11,116)(12,115)(13,114)(14,113)(15,112)(16,111)(17,110)(18,109)(19,108)(20,107)(21,106)(22,105)(23,104)(24,103)(25,102)(26,101)(27,100)(28,99)(29,98)(30,97)(31,96)(32,95)(33,94)(34,93)(35,92)(36,91)(37,90)(38,89)(39,88)(40,87)(41,86)(42,85)(43,84)(44,83)(45,82)(46,81)(47,80)(48,79)(49,78)(50,77)(51,76)(52,75)(53,74)(54,73)(55,72)(56,71)(57,70)(58,69)(59,68)(60,67)(61,66)(62,65)(63,64)

Polycyclic presentation:

2^3,109|a^2=c,b^2=c,b^a=bc,d^a=d^108

Conjugacy classes & character table

221 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#13182017, #13182018, #13182019, …
maximal normal subgroup of#13182017, #13182018, #13182019, …
maximal quotient of#13182008, C4⋊Dic109, C2×Dic218, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(872, 4);