Finite Group Databasebeta
Cayley diagram

#65485

order320
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #443

Subgroups

subgroupG/H
centerC4D4×D5
commutatorC4×C5C22×C4
FrattiniC2×C4C22×D5
Fitting, prime radicalC5×#135C2
socleC2×C5C4×D4
cosocleC2×C4×C5C23
hypercenter#135D5
hypocenterC5#443
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C4 ◁ C2×C4 ◁ #135

106 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 21 points:

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

Polycyclic presentation:

2^6,5|a^2=d,d^2=f,e^2=f,g^a=g^4,c^b=ce,e^b=ef,e^c=ef

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598815, #10598816, #10600031, …
maximal normal subgroup of#10598815, #10598816, #10600031, …
maximal quotient of#10601080, #10601082, #10601084, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 823);