Finite Group Databasebeta
Cayley diagram

#21201

order256
nilpotency class3
isoclinismisoclinic class of #3055
automorphismAut(G) order 262144
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC2×#532C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

819 conjugacy classes of subgroups; only the 247 normal subgroups are shown.

normal subgroups only

This group has 819 conjugacy classes of subgroups — too many to draw. Only its 247 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#107342, #108375, #110206, …
maximal normal subgroup of#107342, #108375, #110206, …
maximal quotient of#204037, #204052, #204067, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14189);