Finite Group Databasebeta
Cayley diagram

C2×#1806 #20653

order256
nilpotency class3
isoclinismisoclinic class of #447
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×#1806

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC23C2×C22⋊C4
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

809 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 14
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 14 points:

(1,2);(4,6)(7,8,10,13,11,9,14,12);(3,4,5,6);(7,9)(8,11)(10,12)(13,14)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105952, #105953, #105972, …
maximal normal subgroup of#105952, #105953, #105972, …
maximal quotient ofC2×#8563, C2×#8565, C2×#8564, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13641);