Finite Group Databasebeta
Cayley diagram

#45453

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×#525C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

1192 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 28
transitive degreeμt(G) = 64

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

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

Polycyclic presentation:

2^8|a^2=f,b^2=f,d^2=f,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#133405, #499801, #500239, …
maximal normal subgroup of#133405, #499801, #500239, …
maximal quotient of#557022, #557354, #557560, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 38441);