Finite Group Databasebeta
Cayley diagram

C2×#2082 #23651

order256
nilpotency class3
isoclinismisoclinic class of #2081
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#2082

Subgroups

subgroupG/H
center, socleC22#397
commutator, Frattini, cosocleC22×C4C24
prime radicalC24#41
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

439 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 34 points:

(1,2);(3,4,8,13,9,14,7,12)(5,15,18,10,19,26,17,27)(6,20,22,28,23,29,24,11)(16,31,32,34,21,25,33,30);(3,5,9,19)(4,10,14,27)(6,21,23,16)(7,18,8,17)(11,25,28,31)(12,26,13,15)(20,34,29,30)(22,32,24,33);(3,6,7,22,9,23,8,24)(4,11,12,20,14,28,13,29)(5,16,17,32,19,21,18,33)(10,25,15,30,27,31,26,34)

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2082, #376656, #378904, …
maximal normal subgroup ofC4×#2082, #376656, #378904, …
maximal quotient ofC2×#10632, C2×#10635, C2×#10633, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16639);