Finite Group Databasebeta
Cayley diagram

C2×#2324 #34064

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28×C4

Aliases

direct productC2×#2324

Subgroups

subgroupG/H
center, socleC24C24
commutatorC22C24×C4
Frattini, cosocleC23C25
prime radicalC22×#121C2
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1967 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97023, #106063, #111551, …
maximal normal subgroup of#97023, #106063, #111551, …
maximal quotient ofC2×#13777, C2×#13783, C2×#13785, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27052);