Finite Group Databasebeta
Cayley diagram

#21784

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

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

normal subgroups only

This group has 639 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)(3,11,14,7)(4,15,17,27)(5,10)(6,9)(8,16,24,19)(12,28)(13,26,18,22)(20,25)(21,29)(23,31)(30,32);(1,3)(2,7)(4,12)(5,18)(6,14)(8,23)(9,11)(10,26)(13,20)(15,32)(16,31)(17,30)(19,29)(21,24)(22,25)(27,28);(1,4,6,17)(2,8,9,24)(3,12,14,30)(5,19,20,16)(7,21,11,23)(10,27,25,15)(13,31,18,29)(22,28,26,32);(1,3)(2,7)(4,12)(5,13)(6,14)(8,21)(9,11)(10,22)(15,32)(16,29)(17,30)(18,20)(19,31)(23,24)(25,26)(27,28)

Polycyclic presentation:

2^8|a^2=g,c^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#151825, #151829, #151830, …
maximal normal subgroup of#151825, #151829, #151830, …
maximal quotient of#213770, #213773, #213775, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14772);