Finite Group Databasebeta
Cayley diagram

C22×#499 #60653

order256
nilpotency class3
isoclinismisoclinic class of #465
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC22×#499

Subgroups

subgroupG/H
center, socle, prime radicalC24C2×D4
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

983 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 28
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 5 generators on 28 points:

(1,2);(3,4);(5,6,8,10)(7,11,12,9)(13,14,16,18)(15,21,22,28)(17,25,24,20)(19,27,26,23);(5,7,8,12)(6,9,10,11)(14,18)(19,26)(20,25)(21,28);(13,15,17,23,16,22,24,27)(14,19,20,21,18,26,25,28)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofA4×#499
maximal subgroup of#111414, #130006, #130036, …
maximal normal subgroup of#111414, #130006, #130036, …
maximal quotient ofC22×#1846, C22×#1941, C22×#1942, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53641);