Finite Group Databasebeta
Cayley diagram

#30870

order256
nilpotency class3
isoclinismisoclinic class of #30428
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22D42
commutator, Frattini, cosocleC22×C4C24
prime radical#537C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

427 conjugacy classes of subgroups; only the 115 normal subgroups are shown.

normal subgroups only

This group has 427 conjugacy classes of subgroups — too many to draw. Only its 115 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) = 36
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 36 points:

(5,6,11,16)(7,17,20,31)(8,21,24,13)(9,15,10,14)(12,25,28,19)(18,29,34,35)(22,27,33,36)(23,30,26,32);(1,2)(3,4)(5,7,11,20)(6,12,16,28)(8,22,24,33)(9,25,10,19)(13,29,21,35)(14,31,15,17)(18,26,34,23)(27,32,36,30);(2,4)(5,7)(6,12)(8,18)(9,19)(10,25)(11,20)(13,27)(14,17)(15,31)(16,28)(21,36)(22,23)(24,34)(26,33)(29,30)(32,35);(5,8,10,26,11,24,9,23)(6,13,15,32,16,21,14,30)(7,18,25,33,20,34,19,22)(12,27,31,35,28,36,17,29)

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#151261, #151263, #151429, …
maximal normal subgroup of#151261, #151263, #151429, …
maximal quotient of#339712, #339714, #339728, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 23858);