Finite Group Databasebeta
Cayley diagram

C2×#2472 #34658

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28×C4

Aliases

direct productC2×#2472

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC22×#120C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

2473 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);(4,5)(11,12)(13,14)(15,16)(17,18);(3,4,6,5)(8,10)(12,16)(13,17);(3,4,6,5)(7,8)(9,10)(11,13,15,17)(12,14,16,18);(3,5,6,4)(11,14)(12,17)(13,16)(15,18)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#221392, #221456, #372507, …
maximal normal subgroup of#221392, #221456, #372507, …
maximal quotient ofC2×#13873, C2×#13896, C2×#13986, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27646);