Finite Group Databasebeta
Cayley diagram

#18720

order256
nilpotency class3
isoclinismisoclinic class of #18712
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC42C24
prime radical#3543C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

499 conjugacy classes of subgroups; only the 115 normal subgroups are shown.

normal subgroups only

This group has 499 conjugacy classes of subgroups — too many to draw. Only its 115 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=h,e^2=g,f^2=h,b^a=be,c^a=cf,d^a=dg,e^a=eg,f^a=fh,e^b=eg,f^b=fh,d^c=dg,e^c=eh,f^c=fh

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#153193, C2×#18720, #6348334, …
maximal normal subgroup of#153193, C2×#18720, #6348334, …
maximal quotient of#168121, #168147, #168211, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11708);