Finite Group Databasebeta
Cayley diagram

#20675

order256
nilpotency class3
isoclinismisoclinic class of #3068
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4C2×#121
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC2C2×#380
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

654 conjugacy classes of subgroups; only the 261 normal subgroups are shown.

normal subgroups only

This group has 654 conjugacy classes of subgroups — too many to draw. Only its 261 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) = 32

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#360321, #360585, #360593, …
maximal normal subgroup of#360321, #360585, #360593, …
maximal quotient of#188781, #188785, #188789, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13663);