Finite Group Databasebeta
Cayley diagram

#24286

order256
nilpotency class3
isoclinismisoclinic class of #23995
automorphismAut(G) = #72339316 (order 4096) · Inn(G) = #535 · Out(G) = D42
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4#535
commutator, Frattini, cosocleC22×C4C24
socleC2#2408
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

661 conjugacy classes of subgroups; only the 133 normal subgroups are shown.

normal subgroups only

This group has 661 conjugacy classes of subgroups — too many to draw. Only its 133 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)(3,11)(4,15)(5,18)(6,10)(7,13)(8,17)(9,19)(12,25)(14,23)(16,29)(20,28)(21,26)(22,30)(24,27)(31,32);(1,3,5,13,6,14,19,28)(2,7,9,11,10,20,18,23)(4,12,17,27,16,26,30,32)(8,21,15,24,22,25,29,31);(4,16)(7,20)(8,22)(11,23)(12,26)(15,29)(17,30)(27,32);(1,4,5,17,6,16,19,30)(2,8,9,15,10,22,18,29)(3,12,13,27,14,26,28,32)(7,21,11,24,20,25,23,31)

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#486338, #486339, #499750, …
maximal normal subgroup of#486338, #486339, #499750, …
maximal quotient of#262989, #262990, #262991, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 17274);