Finite Group Databasebeta
Cayley diagram

C2×#1858 #20859

order256
nilpotency class3
isoclinismisoclinic class of #453
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×#1858

Subgroups

subgroupG/H
centerC2×C4#120
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22#385
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

655 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);(3,4,8,12,9,13,7,20)(5,14,16,10,17,25,21,24)(6,11,18,27,19,28,22,26)(15,30,33,34,32,29,31,23);(3,5,8,16,9,17,7,21)(4,10,12,25,13,24,20,14)(6,15,18,33,19,32,22,31)(11,23,27,30,28,34,26,29);(3,6)(4,11)(5,15)(7,22)(8,18)(9,19)(10,23)(12,27)(13,28)(14,29)(16,33)(17,32)(20,26)(21,31)(24,34)(25,30)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147341, #147342, #147347, …
maximal normal subgroup of#147341, #147342, #147347, …
maximal quotient ofC2×#8835, C2×#8836, #191756, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13847);