Finite Group Databasebeta
Cayley diagram

#21558

order256
nilpotency class3
isoclinismisoclinic class of #471
automorphismAut(G) order 2048
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC8#121
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC2C4×#121
prime radical#3067C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C8 ◁ C22×C8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

438 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#136598, #136601, #136627, …
maximal normal subgroup of#136598, #136601, #136627, …
maximal quotient ofC8×#471, C8×#472, C8×#473, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14546);