Finite Group Databasebeta
Cayley diagram

#34736

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 262144
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C210

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC22×C4C24
commutator, Frattini, socle, cosocleC23C25
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C23 ▷ C1

2879 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 16 points:

(1,2)(3,4)(9,10)(11,14)(12,13)(15,16);(2,4)(5,6)(7,8);(6,8)(10,13)(14,16);(6,8);(9,11,12,15)(10,14,13,16)

Polycyclic presentation:

2^8|e^2=g,b^a=bf,c^a=cg,c^b=ch,d^b=dh

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#115193, #115199, #115377, …
maximal normal subgroup of#115193, #115199, #115377, …
maximal quotient of#514052, #514204, #514250, …
outer automorphism group ofC2×#683, C2×#685

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27724);