Finite Group Databasebeta
Cayley diagram

#29644

order256
nilpotency class3
isoclinismisoclinic class of #29592
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

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

532 conjugacy classes of subgroups; only the 131 normal subgroups are shown.

normal subgroups only

This group has 532 conjugacy classes of subgroups — too many to draw. Only its 131 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:

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

Polycyclic presentation:

2^8|a^2=e,b^2=e,d^2=h,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#166746, #166752, #166778, …
maximal normal subgroup of#166746, #166752, #166778, …
maximal quotient of#327777, #327785, #327793, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 22632);