Finite Group Databasebeta
Cayley diagram

C2×#2117 #33339

order256
nilpotency class3
isoclinismisoclinic class of AGL(1,ℤ/8)
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C26

Aliases

direct productC2×#2117

Subgroups

subgroupG/H
centerC2×C8C2×D4
commutatorC4C23×C8
Frattini, cosocleC2×C8C24
socleC22C2×C22⋊C8
prime radicalC22×#41C4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C8 ◁ C23×C8 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

577 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);(3,4,7,13,8,14,22,31,9,11,23,27,6,12,20,29)(5,15,17,32,16,25,33,30,18,28,21,34,19,10,24,26);(3,5)(4,10)(6,19)(7,21)(8,16)(9,18)(11,25)(12,28)(13,30)(14,15)(17,23)(20,33)(22,24)(26,27)(29,32)(31,34);(4,11)(10,25)(12,14)(13,27)(15,28)(26,30)(29,31)(32,34)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146385, #146386, #146387, …
maximal normal subgroup of#146385, #146386, #146387, …
maximal quotient ofC2×#11421, C2×#11422, #479989, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26327);