Finite Group Databasebeta
Cayley diagram

C22×#120 #3431

order128
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 2359296
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C211

Aliases

direct productC22×#120

Subgroups

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

2272 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 12
transitive degreeμt(G) = 32

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)(9,10)(11,12)

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

derived subgroup of#72227479, #72227568, #72227707, …
Frattini subgroup of#93099, #93100, #93144, …
Fitting subgroup ofC22×#120⋊C3, A4×#120, #85645, …
maximal subgroup of#8541, #8547, #10965, …
maximal normal subgroup of#8541, #8547, #10965, …
maximal quotient ofC22×#379, C22×#385, C22×#386, …
automorphism group ofC4×D4, #121, C22⋊Q8, …
outer automorphism group of#385, #386, #394, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 2163);