Finite Group Databasebeta
Cayley diagram

#13689

order256
nilpotency class5
isoclinismisoclinic class of #13661
automorphismAut(G) = C24×#12067 (order 4096) · Inn(G) = C2×D16 · Out(G) = C23×C8
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×D16
commutator, Frattini, cosocleC2×C16C23
prime radicalC2×D32C2
LCSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C42 ◁ C4×C8 ◁ C4×C16 ◁ G
LECSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1

108 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 36 points:

(2,4)(5,6)(7,11)(8,12)(9,22)(10,23)(13,19)(14,20)(15,18)(16,24)(17,34)(21,30)(25,31)(26,32)(27,35)(28,33)(29,36);(1,2,3,4)(6,11)(12,24)(13,25)(14,26)(15,23)(22,34)(27,29)(28,30);(6,12)(8,19)(9,20)(10,18)(11,24)(13,14)(15,30)(16,31)(17,32)(21,36)(22,27)(23,28)(25,26)(29,34)(33,35)

Polycyclic presentation:

2^8|b^2=dh,e^2=fg,f^2=gh,g^2=h,b^a=bd,c^a=ce,e^a=ef,f^a=fg,g^a=gh,e^c=ef,f^c=fg,g^c=gh

Conjugacy classes & character table

49 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#13689, #512913, #512914, …
maximal normal subgroup ofC2×#13689, #512913, #512914, …
maximal quotient of#151620, #151624, #151632, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6677);