Finite Group Databasebeta
Cayley diagram

#45979

order256
nilpotency class2
isoclinismisoclinic class of #45438
automorphismAut(G) order 65536
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC23C25
prime radicalC2×#121C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

1019 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 28
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 28 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=f,c^2=f,d^2=fh,e^2=f,b^a=bf,c^a=cg,d^a=dh,e^a=ef,c^b=ch,d^b=dfh,e^b=eh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97354, #246790, #246791, …
maximal normal subgroup of#97354, #246790, #246791, …
maximal quotient of#557040, #557046, #557360, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 38967);