Finite Group Databasebeta
Cayley diagram

C2×#2314 #34047

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphismAut(G) order 2097152
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2314

Subgroups

subgroupG/H
center, socleC24C24
commutatorC22C24×C4
Frattini, cosocleC23C25
prime radicalC25C23
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1339 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 22 points:

(1,2);(3,4,5,6)(7,8)(9,13)(10,11)(12,14)(16,19)(17,21);(8,11)(12,13)(15,16,18,19)(17,20,21,22);(7,8)(9,12)(10,11)(13,14)(15,16)(17,20)(18,19)(21,22);(7,9,10,14)(8,12,11,13)(15,17,18,21)(16,20,19,22)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105597, #105827, #105829, …
maximal normal subgroup of#105597, #105827, #105829, …
maximal quotient ofC2×#13777, C2×#13779, C2×#13787, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27035);