Finite Group Databasebeta
Cayley diagram

#22014

order256
nilpotency class2
isoclinismisoclinic class of #2613
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, cosocleC22×C4C24
commutator, socleC23C23×C4
prime radicalC22×D4C2×C4
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

423 conjugacy classes of subgroups; only the 171 normal subgroups are shown.

normal subgroups only

This group has 423 conjugacy classes of subgroups — too many to draw. Only its 171 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:

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

Polycyclic presentation:

2^8|a^2=g,b^2=e,d^2=f,g^2=h,b^a=be,c^a=cf,d^a=deh,c^b=ceh

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#161264, #161265, #161272, …
maximal normal subgroup of#161264, #161265, #161272, …
maximal quotient of#355293, #355379, #355500, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15002);