Finite Group Databasebeta

Dic207 #11718000

order828
isoclinismisoclinic class of D207
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic207
unambiguous semidirect productC9⋊Dic23
unambiguous semidirect productC23⋊Dic9

Splittings

derived, HallC9×C23 ⋊ C4
SylowC23 ⋊ Dic9
SylowC9 ⋊ Dic23

Subgroups

subgroupG/H
center, hypercenterC2D207
commutator, hypocenterC9×C23C4
FrattiniC2×C3D69
Fitting, cosocleC2×C9×C23C2
socle, prime radicalC2×C3×C23D3
LCSG ▷ C9×C23
UCSC1 ◁ C2

18 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 828

A minimal faithful permutation representation — 2 generators on 36 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);(1,3,2,4)(6,13)(7,12)(8,11)(9,10)(15,36)(16,35)(17,34)(18,33)(19,32)(20,31)(21,30)(22,29)(23,28)(24,27)(25,26)

Polycyclic presentation:

2^2,3,23,3|a^2=b,c^3=e,c^a=c^2e^2,d^a=d^22,e^a=e^2

Conjugacy classes & character table

210 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#13110167, D9×Dic23, Dic9×D23, …
maximal normal subgroup of#13110167, D9×Dic23, Dic9×D23, …
maximal quotient ofC9⋊(C23⋊C8), C2×Dic207, C5×Dic207, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(828, 3);