Finite Group Databasebeta
Cayley diagram

#19020

order256
nilpotency class3
isoclinismisoclinic class of #19014
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#3558C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

480 conjugacy classes of subgroups; only the 113 normal subgroups are shown.

normal subgroups only

This group has 480 conjugacy classes of subgroups — too many to draw. Only its 113 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#250807, #250809, #250820, …
maximal normal subgroup of#250807, #250809, #250820, …
maximal quotient of#166297, #166346, #166425, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12008);