Finite Group Databasebeta
Cayley diagram

C2×#1953 #21183

order256
nilpotency class3
isoclinismisoclinic class of #471
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

direct productC2×#1953

Subgroups

subgroupG/H
centerC2×C4#121
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22#389
prime radicalC24C2×Q8
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

429 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 34 points:

(1,2);(3,4,8,12,9,13,7,23)(5,14,16,10,18,25,17,26)(6,19,21,27,22,33,20,11)(15,24,29,32,31,34,30,28);(3,5,8,16,9,18,7,17)(4,10,12,25,13,26,23,14)(6,15,21,29,22,31,20,30)(11,24,19,32,27,34,33,28);(3,6,7,20,9,22,8,21)(4,11,12,19,13,27,23,33)(5,15,17,30,18,31,16,29)(10,24,25,32,26,34,14,28)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147188, #147189, #147192, …
maximal normal subgroup of#147188, #147189, #147192, …
maximal quotient ofC2×#9607, C2×#9608, #203710, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14171);