Finite Group Databasebeta
Cayley diagram

#21550

order256
nilpotency class3
isoclinismisoclinic class of #3055
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22C2×C4×D4
prime radical#3054C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

457 conjugacy classes of subgroups.

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)(5,6,10,14,11,15,9,25)(7,16,20,26,17,31,19,12)(8,13,23,29,24,30,22,36)(18,32,34,28,21,35,33,27);(5,7,9,19,11,17,10,20)(6,12,14,16,15,26,25,31)(8,21,22,34,24,18,23,33)(13,28,29,35,30,27,36,32);(2,4)(7,17)(12,26)(16,31)(18,21)(19,20)(27,28)(32,35)(33,34);(5,8,10,23,11,24,9,22)(6,13,14,29,15,30,25,36)(7,18,20,34,17,21,19,33)(12,27,16,32,26,28,31,35)

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#128806, #128807, #134460, …
maximal normal subgroup of#128806, #128807, #134460, …
maximal quotient of#210808, #210809, #210810, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14538);