Finite Group Databasebeta
Cayley diagram

Dic82 #66494

order328
isoclinismisoclinic class of Dic82
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C1

Aliases

dicyclicDic82
unambiguous semidirect productC41⋊Q8

Splittings

SylowC41 ⋊ Q8

Subgroups

subgroupG/H
center, FrattiniC2C2×D41
commutator, socle, prime radical, cosocleC2×C41C22
FittingC4×C41C2
hypercenterC4D41
hypocenterC41Q8
LCSG ▷ C2×C41 ▷ C41
UCSC1 ◁ C2 ◁ C4

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 49
transitive degreeμt(G) = 328

A minimal faithful permutation representation — 2 generators on 49 points:

(1,2,3,4)(5,8,7,6)(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);(1,5,3,7)(2,6,4,8)(10,49)(11,48)(12,47)(13,46)(14,45)(15,44)(16,43)(17,42)(18,41)(19,40)(20,39)(21,38)(22,37)(23,36)(24,35)(25,34)(26,33)(27,32)(28,31)(29,30)

Polycyclic presentation:

2^3,41|a^2=c,b^2=c,b^a=bc,d^a=d^40

Conjugacy classes & character table

85 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10620273, Dic164, #10620283, …
maximal normal subgroup of#10620273, Dic164, #10620283, …
maximal quotient of#10620279, C4⋊Dic41, C2×Dic82, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(328, 4);