Finite Group Databasebeta
Cayley diagram

C22×#127 #3440

order128
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 9437184
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29×C4

Aliases

direct productC22×#127

Subgroups

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

1500 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)(10,11);(9,10,12,11);(5,6,7,8)(9,11,12,10)

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

derived subgroup of#72227556, #72227941, #72227942, …
Frattini subgroup of#93113, #93139, #93146, …
Fitting subgroup ofC22×#127⋊C3, A4×#127, #85647, …
maximal subgroup of#8339, #8546, #10975, …
maximal normal subgroup of#8339, #8546, #10975, …
maximal quotient ofC22×#384, C22×#390, C2×C4×#127, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 2172);