Finite Group Databasebeta
Cayley diagram

#25781

order256
nilpotency class3
isoclinismisoclinic class of #24264
automorphismAut(G) order 131072
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC23×D8C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C4×C22⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

887 conjugacy classes of subgroups; only the 159 normal subgroups are shown.

normal subgroups only

This group has 887 conjugacy classes of subgroups — too many to draw. Only its 159 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) = 24
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 24 points:

(2,4)(9,10)(11,17)(12,21)(13,15)(14,19)(16,18)(20,23)(22,24);(5,6)(7,8)(9,11,18,24,13,20,12,19)(10,14,21,23,15,22,16,17);(1,2,3,4)(6,8)(10,15)(14,22)(16,21)(17,23);(9,11,18,24,13,20,12,19)(10,14,21,23,15,22,16,17)

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#142625, #142629, #142633, …
maximal normal subgroup of#142625, #142629, #142633, …
maximal quotient of#298607, #298615, #298618, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 18769);