Finite Group Databasebeta
Cayley diagram

#64687

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

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #328

Subgroups

subgroupG/H
centerC22#685
commutatorC2×C4×C5C2×C4
FrattiniC22×C4C2×D5
FittingC5×C22⋊C8C2
socleC22×C5C22⋊C4
prime radicalC23×C5D4
cosocleC22×C4×C5C22
hypercenterC22⋊C8D5
hypocenterC5#328
LCSG ▷ C2×C4×C5 ▷ C22×C5 ▷ C5
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22⋊C8

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 80

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

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

Polycyclic presentation:

2^6,5|a^2=d,b^2=cd,c^2=ef,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#10598900, #10598902, #10598904, …
maximal normal subgroup of#10598900, #10598902, #10598904, …
maximal quotient of#10597940, #10597942, #10597948, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 25);