Finite Group Databasebeta
Cayley diagram

#29665

order256
nilpotency class3
isoclinismisoclinic class of #29592
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC2×#121C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

582 conjugacy classes of subgroups; only the 137 normal subgroups are shown.

normal subgroups only

This group has 582 conjugacy classes of subgroups — too many to draw. Only its 137 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) = 28
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 28 points:

(5,6)(7,10)(8,9)(11,12)(13,14)(15,19)(16,23)(17,25)(18,21)(20,22)(24,27)(26,28);(1,2)(3,4)(6,9)(10,12)(13,15,18,17)(14,19,21,25)(16,22,24,26)(20,27,28,23);(2,4)(7,11)(10,12)(13,16,18,24)(14,20,21,28)(15,22,17,26)(19,27,25,23);(5,7,8,11)(6,10,9,12)

Polycyclic presentation:

2^8|b^2=h,c^2=h,d^2=e,f^2=h,b^a=be,c^a=cf,f^a=fh,c^b=cg,d^c=de,f^c=fh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#268773, #268774, #268789, …
maximal normal subgroup of#268773, #268774, #268789, …
maximal quotient of#328184, #328193, #328202, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 22653);