Finite Group Databasebeta
Cayley diagram

#27748

order256
nilpotency class3
isoclinismisoclinic class of #24264
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC22×D4C23
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C4×C4⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

363 conjugacy classes of subgroups; only the 123 normal subgroups are shown.

normal subgroups only

This group has 363 conjugacy classes of subgroups — too many to draw. Only its 123 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) = 32
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 32 points:

(1,2,4,5)(3,7,8,6)(9,10)(11,13)(12,14)(15,16)(17,18,20,25,22,26,21,24)(19,23,27,30,29,32,28,31);(2,5)(6,7)(9,11,12,15)(10,13,14,16)(17,19,20,27,22,29,21,28)(18,23,25,30,26,32,24,31);(10,14)(13,16)(18,24)(19,27)(20,21)(25,26)(28,29)(30,31);(1,3,4,8)(2,6,5,7)

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#311008, #311016, #311024, …
maximal normal subgroup of#311008, #311016, #311024, …
maximal quotient of#360396, #363084, #366413, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 20736);