Finite Group Databasebeta
Cayley diagram

#28505

order256
nilpotency class3
isoclinismisoclinic class of #25440
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22D42
commutator, Frattini, cosocleC22×C4C24
prime radicalC2×#135C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

499 conjugacy classes of subgroups; only the 135 normal subgroups are shown.

normal subgroups only

This group has 499 conjugacy classes of subgroups — too many to draw. Only its 135 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)(8,21)(9,11)(10,15)(12,20)(13,23)(14,22)(17,25)(18,32)(19,28)(24,26)(27,31)(29,36)(30,33)(34,35);(6,11,15,14)(7,17,20,19)(13,26,29,21)(18,31,34,33);(2,4)(5,7)(6,12)(8,18)(9,19)(10,20)(11,25)(13,27)(14,28)(15,16)(17,22)(21,35)(23,33)(24,34)(26,32)(29,30)(31,36);(5,8,22,36,10,24,9,23)(6,13,11,26,15,29,14,21)(7,18,17,31,20,34,19,33)(12,27,25,32,16,30,28,35)

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#143197, #143199, #143201, …
maximal normal subgroup of#143197, #143199, #143201, …
maximal quotient of#321905, #321909, #321913, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 21493);