Finite Group Databasebeta
Cayley diagram

#18319

order256
nilpotency class3
isoclinismisoclinic class of #18316
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC22×C4C24
prime radicalC25D4
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

529 conjugacy classes of subgroups; only the 117 normal subgroups are shown.

normal subgroups only

This group has 529 conjugacy classes of subgroups — too many to draw. Only its 117 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) = 32

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#245158, #245159, #245161, …
maximal normal subgroup of#245158, #245159, #245161, …
maximal quotient of#168504, #168527, #168565, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11307);