Finite Group Databasebeta
Cayley diagram

#21785

order256
nilpotency class3
isoclinismisoclinic class of #21782
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC2#2308
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radical#3500C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

631 conjugacy classes of subgroups; only the 181 normal subgroups are shown.

normal subgroups only

This group has 631 conjugacy classes of subgroups — too many to draw. Only its 181 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)(3,13,17,8)(4,10,5,19)(6,12)(7,11)(9,18,27,20)(14,30)(15,24)(16,29,21,25)(22,28)(23,31)(26,32);(1,3)(2,8)(4,14)(5,15)(6,21)(7,17)(9,26)(10,24)(11,13)(12,29)(16,22)(18,32)(19,30)(20,31)(23,27)(25,28);(1,4,7,5)(2,9,11,27)(3,14,17,15)(6,20,22,18)(8,23,13,26)(10,12,19,28)(16,32,21,31)(24,25,30,29);(1,5,7,4)(2,10,11,19)(3,15,17,14)(6,20,22,18)(8,24,13,30)(9,12,27,28)(16,32,21,31)(23,25,26,29)

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#151821, #151826, #151828, …
maximal normal subgroup of#151821, #151826, #151828, …
maximal quotient of#213769, #213773, #213774, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14773);