Finite Group Databasebeta

Dic4545 #32911376

order18180
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic4545
unambiguous semidirect productC9⋊Dic505

Splittings

derived, HallC5×C9×C101 ⋊ C4
HallC9×C101 ⋊ Dic5
HallC5×C101 ⋊ Dic9
SylowC101 ⋊ Dic45
HallC5×C9 ⋊ Dic101
SylowC9 ⋊ Dic505
SylowC5 ⋊ Dic909

Subgroups

subgroupG/H
center, hypercenterC2D4545
commutator, hypocenterC5×C9×C101C4
FrattiniC2×C3D1515
Fitting, cosocleC2×C5×C9×C101C2
socle, prime radicalC2×C3×C5×C101D3
LCSG ▷ C5×C9×C101
UCSC1 ◁ C2

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 119
transitive degreeμt(G) = 18180

A minimal faithful permutation representation — 2 generators on 119 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);(1,3,2,4)(6,13)(7,12)(8,11)(9,10)(15,18)(16,17)(20,119)(21,118)(22,117)(23,116)(24,115)(25,114)(26,113)(27,112)(28,111)(29,110)(30,109)(31,108)(32,107)(33,106)(34,105)(35,104)(36,103)(37,102)(38,101)(39,100)(40,99)(41,98)(42,97)(43,96)(44,95)(45,94)(46,93)(47,92)(48,91)(49,90)(50,89)(51,88)(52,87)(53,86)(54,85)(55,84)(56,83)(57,82)(58,81)(59,80)(60,79)(61,78)(62,77)(63,76)(64,75)(65,74)(66,73)(67,72)(68,71)(69,70)

Polycyclic presentation:

2,3,5,101,2,3|a^2=e,b^3=f^2,b^a=b^2f,c^a=c^4,d^a=d^100,f^a=f^2

Conjugacy classes & character table

4548 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofDic9090, Dic13635
maximal normal subgroup ofDic9090
maximal quotient ofDic13635

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18180, 9);