Finite Group Databasebeta
Cayley diagram

#23898

order256
nilpotency class3
isoclinismisoclinic class of #23897
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC2#2403
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

859 conjugacy classes of subgroups; only the 141 normal subgroups are shown.

normal subgroups only

This group has 859 conjugacy classes of subgroups — too many to draw. Only its 141 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)(3,7)(4,14)(5,17)(6,10)(8,16)(9,19)(11,26)(12,29)(13,22)(15,25)(18,24)(20,28)(21,31)(23,30)(27,32);(1,3,6,13)(2,7,10,22)(4,11,15,27)(5,12,19,31)(8,23,24,20)(9,21,17,29)(14,32,25,26)(16,28,18,30);(1,4)(2,8)(3,11)(5,18)(6,15)(7,20)(9,25)(10,24)(12,30)(13,27)(14,17)(16,19)(21,32)(22,23)(26,29)(28,31);(5,19)(9,17)(12,31)(14,25)(16,18)(21,29)(26,32)(28,30)

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#139741, #139745, #144365, …
maximal normal subgroup of#139741, #139745, #144365, …
maximal quotient of#245064, #245067, #245069, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16886);