Finite Group Databasebeta

Dic4743 #34039006

order18972
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic4743
unambiguous semidirect productC9⋊Dic527
unambiguous semidirect productC31⋊Dic153

Splittings

derived, HallC9×C17×C31 ⋊ C4
HallC17×C31 ⋊ Dic9
HallC9×C31 ⋊ Dic17
HallC9×C17 ⋊ Dic31
SylowC31 ⋊ Dic153
SylowC17 ⋊ Dic279
SylowC9 ⋊ Dic527

Subgroups

subgroupG/H
center, hypercenterC2D4743
commutator, hypocenterC9×C17×C31C4
FrattiniC2×C3D1581
Fitting, cosocleC2×C9×C17×C31C2
socle, prime radicalC2×C3×C17×C31D3
LCSG ▷ C9×C17×C31
UCSC1 ◁ C2

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 61
transitive degreeμt(G) = 18972

A minimal faithful permutation representation — 2 generators on 61 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);(1,3,2,4)(6,13)(7,12)(8,11)(9,10)(15,30)(16,29)(17,28)(18,27)(19,26)(20,25)(21,24)(22,23)(32,61)(33,60)(34,59)(35,58)(36,57)(37,56)(38,55)(39,54)(40,53)(41,52)(42,51)(43,50)(44,49)(45,48)(46,47)

Polycyclic presentation:

2,3,17,31,2,3|a^2=e,b^3=f^2,b^a=b^2f,c^a=c^16,d^a=d^30,f^a=f^2

Conjugacy classes & character table

4746 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofDic9486, Dic14229
maximal normal subgroup ofDic9486
maximal quotient ofDic14229

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18972, 9);