Finite Group Databasebeta
Cayley diagram

C2×#2325 #34066

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×#2325

Subgroups

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

2075 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)(13,15)(14,17)(16,18);(7,9,10,8)(12,13)(16,17);(3,4,5,6)(11,13,15,12)(14,17,18,16);(11,14)(12,16)(13,17)(15,18)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#107986, C2×#8866, C2×#8870, …
maximal normal subgroup of#107986, C2×#8866, C2×#8870, …
maximal quotient ofC2×#13778, C2×#13784, C2×#13789, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27054);