Finite Group Databasebeta
Cayley diagram

#18231

order256
nilpotency class3
isoclinismisoclinic class of #18224
automorphismAut(G) = C22×#1202 (order 4096) · Inn(G) = C2×#120 · Out(G) = C23×D4
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

600 conjugacy classes of subgroups; only the 113 normal subgroups are shown.

normal subgroups only

This group has 600 conjugacy classes of subgroups — too many to draw. Only its 113 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#249884, #249886, #249887, …
maximal normal subgroup of#249884, #249886, #249887, …
maximal quotient of#166295, #166310, #166351, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11219);