Finite Group Databasebeta
Cayley diagram

#18570

order256
nilpotency class3
isoclinismisoclinic class of #18562
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC42C24
prime radical#3519C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

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

normal subgroups only

This group has 514 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) = 24
transitive degreeμt(G) = 64

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#273183, #273185, #273223, …
maximal normal subgroup of#273183, #273185, #273223, …
maximal quotient of#166297, #166345, #166425, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11558);