Finite Group Databasebeta
Cayley diagram

C22×C22⋊Q8 #3433

order128
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 786432
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC22×C22⋊Q8

Subgroups

subgroupG/H
center, socleC24C23
commutator, Frattini, cosocleC22C25
prime radicalC25C22
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C22 ▷ C1

920 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 16 points:

(3,4);(1,2)(3,4);(6,8)(9,10,12,14)(11,15,16,13);(9,11,12,16)(10,13,14,15);(5,6)(7,8)(9,10)(11,13)(12,14)(15,16)

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

derived subgroup of#72268090, #72268118, #72268228, …
Frattini subgroup of#93106, #93107, #93108, …
Fitting subgroup ofA4×C22⋊Q8, #11711020, #11713210, …
maximal subgroup of#8308, #8329, #8550, …
maximal normal subgroup of#8308, #8329, #8550, …
maximal quotient ofC22×#380, C22×#385, C22×#387, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 2165);