Finite Group Databasebeta
Cayley diagram

C22×#121 #3432

order128
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 786432
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C210

Aliases

direct productC22×#121

Subgroups

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

1264 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 12
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 12 points:

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

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

derived subgroup of#72227678, #72227681, #72227686, …
Frattini subgroup of#93103, #93104, #93105, …
Fitting subgroup ofA4×#121, #11711019, #11713209, …
maximal subgroup of#8307, #8328, #8542, …
maximal normal subgroup of#8307, #8328, #8542, …
maximal quotient ofC22×#380, C22×#386, C22×#388, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 2164);