Finite Group Databasebeta
Cayley diagram

#18753

order256
nilpotency class3
isoclinismisoclinic class of #18746
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC42C24
prime radicalC22×D4D4
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

483 conjugacy classes of subgroups; only the 125 normal subgroups are shown.

normal subgroups only

This group has 483 conjugacy classes of subgroups — too many to draw. Only its 125 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) = 64

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#245720, #245722, #245732, …
maximal normal subgroup of#245720, #245722, #245732, …
maximal quotient of#166014, #166020, #166026, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11741);