Finite Group Databasebeta
Cayley diagram

#20370

order256
nilpotency class2
isoclinismisoclinic class of #20338
automorphismAut(G) order 49152
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C23×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutatorC4C22×C42
Frattini, cosocleC22×C4C24
socleC2C2×#376
prime radicalC24#41
LCSG ▷ C4 ▷ C1
UCSC1 ◁ C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

454 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)(3,11,14,24)(4,8)(5,9)(6,10)(7,13,19,27)(12,23,25,31)(15,20)(16,21)(17,22)(18,26,29,32)(28,30);(1,3)(2,7,10,19)(4,12)(5,13)(6,14)(8,18,20,29)(9,11,22,24)(15,25)(16,26)(17,27)(21,23,30,31)(28,32);(1,4,5,16,6,15,17,28)(2,8,9,21,10,20,22,30)(3,12,13,26,14,25,27,32)(7,18,11,23,19,29,24,31);(4,15)(8,20)(12,25)(16,28)(18,29)(21,30)(23,31)(26,32)

Polycyclic presentation:

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

Conjugacy classes & character table

82 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#20370⋊C3
maximal subgroup of#138296, #138297, #356526, …
maximal normal subgroup of#138296, #138297, #356526, …
maximal quotient of#181821, #181822, #181826, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13358);