Finite Group Databasebeta

Dic4221 #30683043

order16884
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic4221
unambiguous semidirect productC7⋊Dic603
unambiguous semidirect productC9⋊Dic469
unambiguous semidirect productC67⋊Dic63

Splittings

derived, HallC7×C9×C67 ⋊ C4
HallC9×C67 ⋊ Dic7
HallC7×C67 ⋊ Dic9
SylowC67 ⋊ Dic63
HallC7×C9 ⋊ Dic67
SylowC9 ⋊ Dic469
SylowC7 ⋊ Dic603

Subgroups

subgroupG/H
center, hypercenterC2D4221
commutator, hypocenterC7×C9×C67C4
FrattiniC2×C3D1407
Fitting, cosocleC2×C7×C9×C67C2
socle, prime radicalC2×C3×C7×C67D3
LCSG ▷ C7×C9×C67
UCSC1 ◁ C2

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 87
transitive degreeμt(G) = 16884

A minimal faithful permutation representation — 2 generators on 87 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);(1,3,2,4)(6,13)(7,12)(8,11)(9,10)(15,20)(16,19)(17,18)(22,87)(23,86)(24,85)(25,84)(26,83)(27,82)(28,81)(29,80)(30,79)(31,78)(32,77)(33,76)(34,75)(35,74)(36,73)(37,72)(38,71)(39,70)(40,69)(41,68)(42,67)(43,66)(44,65)(45,64)(46,63)(47,62)(48,61)(49,60)(50,59)(51,58)(52,57)(53,56)(54,55)

Polycyclic presentation:

2,3,7,67,2,3|a^2=e,b^3=f^2,b^a=b^2f,c^a=c^6,d^a=d^66,f^a=f^2

Conjugacy classes & character table

4224 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofDic8442, Dic12663
maximal normal subgroup ofDic8442
maximal quotient ofDic12663

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16884, 12);