Finite Group Databasebeta
Cayley diagram

#64749

order320
isoclinismisoclinic class of #686
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #340

Subgroups

subgroupG/H
centerC23C22⋊D5
commutatorC4×C5C42
FrattiniC22×C4C2×D5
FittingC2×C5×C4⋊C4C2
socle, prime radicalC23×C5D4
cosocleC22×C4×C5C22
hypercenterC2×C4⋊C4D5
hypocenterC5#340
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C23 ◁ C22×C4 ◁ C2×C4⋊C4

114 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 2 generators on 21 points:

(1,2,4,5,3)(10,11,12,13)(15,18)(16,21)(19,20);(2,3)(4,5)(6,7,8,9)(14,15,16,19,17,20,21,18)

Polycyclic presentation:

2^6,5|a^2=d,b^2=c,d^2=f,b^a=bde,g^a=g^4,d^b=df

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10599573, #10599574, #10599575, …
maximal normal subgroup of#10599573, #10599574, #10599575, …
maximal quotient of#10598103, #10598110, #10598111, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 87);