Finite Group Databasebeta
Cayley diagram

#28827

order256
nilpotency class3
isoclinismisoclinic class of #24264
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C22×D4
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C4×C4⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

339 conjugacy classes of subgroups; only the 159 normal subgroups are shown.

normal subgroups only

This group has 339 conjugacy classes of subgroups — too many to draw. Only its 159 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) = 256

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

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

Polycyclic presentation:

2^8|a^2=f,b^2=eg,c^2=ef,d^2=e,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,g^c=gh

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#144543, #144544, #144552, …
maximal normal subgroup of#144543, #144544, #144552, …
maximal quotient of#362243, #362269, #365850, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 21815);