Finite Group Databasebeta
Cayley diagram

#20895

order256
nilpotency class2
isoclinismisoclinic class of #2846
automorphismAut(G) order 131072
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, cosocleC22×C4C24
commutator, socleC23C23×C4
prime radicalC2×#525C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

1021 conjugacy classes of subgroups; only the 263 normal subgroups are shown.

normal subgroups only

This group has 1021 conjugacy classes of subgroups — too many to draw. Only its 263 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#110383, #110384, #111448, …
maximal normal subgroup of#110383, #110384, #111448, …
maximal quotient of#193442, #193443, #193444, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13883);