Finite Group Databasebeta
Cayley diagram

#20593

order256
nilpotency class3
isoclinismisoclinic class of #17367
automorphismAut(G) order 131072
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×2−1+4C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×#41 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

1797 conjugacy classes of subgroups; only the 303 normal subgroups are shown.

normal subgroups only

This group has 1797 conjugacy classes of subgroups — too many to draw. Only its 303 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)(5,6,9,14,10,13,22,27)(7,15,17,28,18,11,21,24)(8,12,20,26,19,25,32,35)(16,29,31,36,30,23,33,34);(5,7,10,18)(6,11,13,15)(8,16,19,30)(9,21,22,17)(12,23,25,29)(14,28,27,24)(20,33,32,31)(26,36,35,34);(2,4)(5,8)(6,12)(7,16)(9,20)(10,19)(11,23)(13,25)(14,26)(15,29)(17,31)(18,30)(21,33)(22,32)(24,34)(27,35)(28,36);(8,19)(12,25)(16,30)(20,32)(23,29)(26,35)(31,33)(34,36)

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#128066, #128068, #128072, …
maximal normal subgroup of#128066, #128068, #128072, …
maximal quotient of#184749, #184751, #184752, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13581);