Finite Group Databasebeta
Cayley diagram

#28170

order256
nilpotency class3
isoclinismisoclinic class of #23924
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C22×D4
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ #376 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

409 conjugacy classes of subgroups; only the 123 normal subgroups are shown.

normal subgroups only

This group has 409 conjugacy classes of subgroups — too many to draw. Only its 123 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) = 44
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 44 points:

(5,6)(7,11)(8,9)(10,12)(13,14,18,22)(15,19,24,33)(16,26,28,36)(17,29,31,21)(20,30,35,27)(23,37,38,44)(25,41,40,34)(32,42,43,39);(1,2,3,4)(6,9)(10,11)(13,15)(14,19)(16,23)(17,25)(18,24)(20,32)(21,34)(22,33)(26,37)(27,39)(28,38)(29,41)(30,42)(31,40)(35,43)(36,44);(2,4)(13,16,18,28)(14,20,22,35)(15,23,24,38)(17,30,31,27)(19,32,33,43)(21,36,29,26)(25,42,40,39)(34,44,41,37);(5,7,8,12)(6,10,9,11)(15,24)(19,33)(23,38)(25,40)(32,43)(34,41)(37,44)(39,42)

Polycyclic presentation:

2^8|a^2=h,b^2=g,c^2=h,d^2=e,f^2=h,b^a=be,c^a=cf,d^a=de,f^a=fh,c^b=cg,d^b=dh,f^c=fh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#150483, #150823, #332626, …
maximal normal subgroup of#150483, #150823, #332626, …
maximal quotient of#316816, #316825, #316837, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 21158);