Finite Group Databasebeta
Cayley diagram

#64702

order320
isoclinismisoclinic class of #64671
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #332

Subgroups

subgroupG/H
centerC22#685
commutatorC2×C4×C5C2×C4
FrattiniC42C2×D5
FittingC5×C4⋊C8C2
socle, prime radicalC22×C5C22⋊C4
cosocleC42×C5C22
hypercenterC4⋊C8D5
hypocenterC5#332
LCSG ▷ C2×C4×C5 ▷ C22×C5 ▷ C5
UCSC1 ◁ C22 ◁ C42 ◁ C4⋊C8

64 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)(7,10)(8,13)(11,12)(14,15,16,18,17,19,20,21);(2,3)(4,5)(6,7,8,11,9,12,13,10)(15,18)(16,20)(19,21)

Polycyclic presentation:

2^6,5|a^2=d,b^2=cdf,c^2=ef,d^2=f,b^a=bc,c^a=ce,g^a=g^4,c^b=cf,d^b=df

Conjugacy classes & character table

59 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598973, #10598974, #10598977, …
maximal normal subgroup of#10598973, #10598974, #10598977, …
maximal quotient of#10597959, #10597966, #10597967, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 40);