Finite Group Databasebeta
Cayley diagram

#64688

order320
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingC5×C22⋊C8 ⋊ C2
SylowC5 ⋊ #323

Subgroups

subgroupG/H
centerC22#685
commutatorC22×C5C2×C8
FrattiniC22×C4C2×D5
FittingC5×C22⋊C8C2
socleC22×C5C22⋊C4
prime radicalC23×D5C4
cosocleC22×C4×C5C22
hypercenterC22⋊C8D5
hypocenterC5#323
LCSG ▷ C22×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22⋊C8

98 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)(6,7,8,10,9,11,12,13)(14,16)(15,18,19,20)(17,21);(2,3)(4,5)(14,15)(16,20)(17,19)(18,21)

Polycyclic presentation:

2^6,5|b^2=c,c^2=e,b^a=bd,c^a=cf,g^a=g^4,d^b=df

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598894, #10598896, #10598897, …
maximal normal subgroup of#10598894, #10598896, #10598897, …
maximal quotient of#10597935, #10597936, #10597945, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 26);