Finite Group Databasebeta
Cayley diagram

C22×C22⋊C16 #33330

order256
nilpotency class2
isoclinismisoclinic class of D4
automorphismAut(G) order 196608
homologyAbelianization (H1) = C23×C16 · Schur multiplier (H2) = C27

Aliases

direct productC22×C22⋊C16

Subgroups

subgroupG/H
centerC23×C8C22
commutatorC2C23×C16
Frattini, cosocleC2×C8C24
socleC24C2×C8
prime radicalC25C8
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C23×C8 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

735 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 24 points:

(1,2);(3,4);(5,6)(7,8)(9,10,11,14,12,15,17,20,13,16,18,21,19,22,23,24);(6,8)

Conjugacy classes & character table

160 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofA4×C22⋊C16
maximal subgroup ofC2×#7183, #126899, C2×#7186, …
maximal normal subgroup ofC2×#7183, #126899, C2×#7186, …
maximal quotient ofC22×#1314, C22×#1322, C2×#11459, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26318);