Finite Group Databasebeta
Cayley diagram

#18438

order256
nilpotency class3
isoclinismisoclinic class of #18414
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, cosocleC22×C4C24
prime radical#3561C2
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

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

normal subgroups only

This group has 454 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#250428, #250430, #250431, …
maximal normal subgroup of#250428, #250430, #250431, …
maximal quotient of#169656, #169670, #169719, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11426);