Finite Group Databasebeta
Cayley diagram

#18759

order256
nilpotency class3
isoclinismisoclinic class of #18746
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, cosocleC42C24
prime radicalC22×D4D4
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

569 conjugacy classes of subgroups; only the 133 normal subgroups are shown.

normal subgroups only

This group has 569 conjugacy classes of subgroups — too many to draw. Only its 133 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#245765, #245767, #245777, …
maximal normal subgroup of#245765, #245767, #245777, …
maximal quotient of#166115, #166119, #166124, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11747);