Finite Group Databasebeta
Cayley diagram

#64903

order320
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

FittingC5×D8 ⋊ C4
SylowC5 ⋊ #360

Subgroups

subgroupG/H
centerC2#4007
commutatorC5×C8C2×C4
FrattiniC8C2×AGL(1,𝔽5)
FittingC5×D8C4
socleC2×C5#102
prime radical#4058C2
cosocleC8×D5C22
hypercenterD8AGL(1,𝔽5)
hypocenterC5#360
LCSG ▷ C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ D8

58 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:

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

Polycyclic presentation:

2^6,5|a^2=c,d^2=e,e^2=f,b^a=bd,d^a=de,e^a=ef,g^a=g^2,c^b=cf,d^b=def,e^b=ef,g^c=g^4

Conjugacy classes & character table

23 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10604124, #10604125, #10604130, …
maximal normal subgroup of#10604124, #10604125, #10604130, …
maximal quotient of#10598608, #10598612, #10598616, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 241);