Finite Group Databasebeta
Cayley diagram

#19028

order256
nilpotency class3
isoclinismisoclinic class of #19014
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC42C24
prime radical#3217C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

444 conjugacy classes of subgroups; only the 113 normal subgroups are shown.

normal subgroups only

This group has 444 conjugacy classes of subgroups — too many to draw. Only its 113 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#250779, #250781, #250784, …
maximal normal subgroup of#250779, #250781, #250784, …
maximal quotient of#166307, #166372, #166403, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12016);