Finite Group Databasebeta
Cayley diagram

#23611

order256
nilpotency class3
isoclinismisoclinic class of #23387
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC22×#41C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×#117 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

551 conjugacy classes of subgroups; only the 175 normal subgroups are shown.

normal subgroups only

This group has 551 conjugacy classes of subgroups — too many to draw. Only its 175 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:

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

Polycyclic presentation:

2^8|a^2=ef,b^2=eh,e^2=h,f^2=h,g^2=h,b^a=be,c^a=cf,e^a=eh,f^a=fh,g^a=gh,c^b=cg,d^c=dh,e^c=eh,f^c=fh,g^c=gh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#395663, #395731, #395732, …
maximal normal subgroup of#395663, #395731, #395732, …
maximal quotient of#242420, #242424, #242428, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16599);