Finite Group Databasebeta
Cayley diagram

#25785

order256
nilpotency class3
isoclinismisoclinic class of #24269
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25×C4

Aliases

No aliases for this group.

Subgroups

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

813 conjugacy classes of subgroups; only the 151 normal subgroups are shown.

normal subgroups only

This group has 813 conjugacy classes of subgroups — too many to draw. Only its 151 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) = 128

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#142640, #142642, #142644, …
maximal normal subgroup of#142640, #142642, #142644, …
maximal quotient of#298662, #298668, #298673, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 18773);