Finite Group Databasebeta
Cayley diagram

#23520

order256
nilpotency class3
isoclinismisoclinic class of #2018
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#121
commutator, Frattini, cosocleC22×C4C24
socleC22C2×#121
prime radicalC22×#135C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

675 conjugacy classes of subgroups; only the 167 normal subgroups are shown.

normal subgroups only

This group has 675 conjugacy classes of subgroups — too many to draw. Only its 167 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#137186, #137193, #142288, …
maximal normal subgroup of#137186, #137193, #142288, …
maximal quotient of#238804, #238808, #238812, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16508);