Finite Group Databasebeta
Cayley diagram

C22×#99 #2881

order128
nilpotency class3
isoclinismisoclinic class of #99
automorphismAut(G) order 24576
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

direct productC22×#99

Subgroups

subgroupG/H
center, socleC23C22⋊C4
commutatorC22C23×C4
Frattini, cosocleC23C24
prime radicalC23×D4C2
LCSG ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C25 ◁ G
LECSG ▷ C23 ▷ C2 ▷ C1

556 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 4 generators on 12 points:

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

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofA4×#99, #11711612, #11711613, …
maximal subgroup of#10745, #10754, #10761, …
maximal normal subgroup of#10745, #10754, #10761, …
maximal quotient ofC22×#323, C22×#324, C2×#1459, …
outer automorphism group ofC3×#540, C3×#541

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 1613);