Finite Group Databasebeta
Cayley diagram

#21422

order256
nilpotency class3
isoclinismisoclinic class of #17386
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC24C24
prime radicalC2×#538C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C22⋊C4 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

659 conjugacy classes of subgroups; only the 191 normal subgroups are shown.

normal subgroups only

This group has 659 conjugacy classes of subgroups — too many to draw. Only its 191 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) = 32

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#215008, #215009, #215010, …
maximal normal subgroup of#215008, #215009, #215010, …
maximal quotient of#207672, #207673, #207676, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14410);