Finite Group Databasebeta
Cayley diagram

#21817

order256
nilpotency class3
isoclinismisoclinic class of #3198
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C23×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22C22×C22⋊C4
prime radical#3449C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×#117 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

641 conjugacy classes of subgroups; only the 183 normal subgroups are shown.

normal subgroups only

This group has 641 conjugacy classes of subgroups — too many to draw. Only its 183 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)(3,7)(4,6)(5,8)(9,10,13,17,14,12,21,16)(11,15,20,23,19,18,24,22);(1,3,4,8)(2,5,6,7)(9,11)(10,15)(12,18)(13,20)(14,19)(16,22)(17,23)(21,24);(3,8)(5,7)(9,12)(10,14)(11,18)(13,16)(15,19)(17,21)(20,22)(23,24);(2,6)(5,7)(11,19)(15,18)(20,24)(22,23)

Polycyclic presentation:

2^8|a^2=g,b^2=e,f^2=h,g^2=h,b^a=be,c^a=cf,d^a=de,f^a=fh,c^b=ce,d^b=dh,f^c=fh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#149799, #151871, #151872, …
maximal normal subgroup of#149799, #151871, #151872, …
maximal quotient of#215196, #215197, #215198, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14805);