Finite Group Databasebeta
Cayley diagram

C2×#3018 #60382

order256
nilpotency class3
isoclinismisoclinic class of #453
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C210

Aliases

direct productC2×#3018

Subgroups

subgroupG/H
centerC2×C4#120
commutator, Frattini, cosocleC2×C4C25
socleC22C2×#120
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

2425 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 32

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

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147772, #147776, #152010, …
maximal normal subgroup of#147772, #147776, #152010, …
maximal quotient ofC2×#18100, C2×#18107, C2×#18114, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53370);