Finite Group Databasebeta
Cayley diagram

C2×#3021 #60385

order256
nilpotency class3
isoclinismisoclinic class of #3019
automorphismAut(G) order 65536
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C210

Aliases

direct productC2×#3021

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

2467 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);(4,9)(6,7)(10,17)(11,14)(12,15)(16,18);(3,4)(5,10)(6,9)(7,14)(8,11)(12,16)(13,18)(15,17);(3,5)(4,10)(6,12)(7,15)(8,13)(9,16)(11,18)(14,17);(3,6,8,7)(4,9,11,14)(5,12,13,15)(10,16,18,17)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147755, #147759, #147768, …
maximal normal subgroup of#147755, #147759, #147768, …
maximal quotient ofC2×#18135, C2×#18141, C2×#18145, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53373);