Finite Group Databasebeta
Cayley diagram

#18287

order256
nilpotency class3
isoclinismisoclinic class of #18284
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

532 conjugacy classes of subgroups; only the 127 normal subgroups are shown.

normal subgroups only

This group has 532 conjugacy classes of subgroups — too many to draw. Only its 127 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)(3,11,14,24)(4,15,18,9)(6,8,19,23)(7,16,21,12)(13,25,27,32)(17,28,30,22)(20,29,31,26);(1,3,5,14)(2,7,10,21)(4,16,18,12)(6,13,19,27)(8,20,23,31)(9,24,15,11)(17,29,30,26)(22,32,28,25);(4,17)(9,22)(11,25)(12,26)(15,28)(16,29)(18,30)(24,32);(2,8)(7,20)(9,22)(10,23)(11,25)(15,28)(21,31)(24,32)

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#245074, #245075, #245077, …
maximal normal subgroup of#245074, #245075, #245077, …
maximal quotient of#168500, #168510, #168562, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11275);