Finite Group Databasebeta
Cayley diagram

Dic99 #87671

order396
isoclinismisoclinic class of D99
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic99
unambiguous semidirect productC9⋊Dic11
unambiguous semidirect productC11⋊Dic9

Splittings

derived, HallC9×C11 ⋊ C4
SylowC11 ⋊ Dic9
SylowC9 ⋊ Dic11

Subgroups

subgroupG/H
center, hypercenterC2D99
commutator, hypocenterC9×C11C4
FrattiniC2×C3D33
Fitting, cosocleC2×C9×C11C2
socle, prime radicalC2×C3×C11D3
LCSG ▷ C9×C11
UCSC1 ◁ C2

18 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 396

A minimal faithful permutation representation — 2 generators on 24 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);(1,3,2,4)(6,13)(7,12)(8,11)(9,10)(15,24)(16,23)(17,22)(18,21)(19,20)

Polycyclic presentation:

2^2,3,11,3|a^2=b,c^3=e^2,c^a=c^2e,d^a=d^10,e^a=e^2

Conjugacy classes & character table

102 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11716175, D9×Dic11, D11×Dic9, …
maximal normal subgroup of#11716175, D9×Dic11, D11×Dic9, …
maximal quotient ofC9⋊(C11⋊C8), C2×Dic99, Dic297, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(396, 3);