Finite Group Databasebeta
Cayley diagram

C2×#2973 #60221

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphismAut(G) order 262144
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

direct productC2×#2973

Subgroups

subgroupG/H
centerC22×C4C24
commutatorC22C24×C4
Frattini, cosocleC2×C4C25
socleC23C23×C4
prime radicalC23×D4C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1305 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 18 points:

(1,2);(3,4)(5,9)(6,8)(7,10)(11,12,13,16,14,15,17,18);(3,5)(4,7)(6,10)(8,9);(5,10)(7,9)(12,15)(16,18);(4,8)(7,9)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105611, #105623, #105625, …
maximal normal subgroup of#105611, #105623, #105625, …
maximal quotient ofC2×#20524, C2×#20526, C2×#20534, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53209);