Finite Group Databasebeta
Cayley diagram

#64693

order320
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #354

Subgroups

subgroupG/H
centerC2#3938
commutatorC2×C4×C5C2×C4
FrattiniC2×D4C2×D5
FittingC5×#99C2
socleC2×C5#99
prime radical, cosocleC2×C5×D4C22
hypercenter#99D5
hypocenterC5#354
LCSG ▷ C2×C4×C5 ▷ C22×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C22 ◁ C2×D4 ◁ #99

70 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)(7,11,12,20)(9,18,19,15)(10,16)(13,21)(14,17);(2,3)(4,5)(6,7,10,12)(8,14,16,21)(9,17,19,13)(11,18,20,15)

Polycyclic presentation:

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

Conjugacy classes & character table

35 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10599924, #10599925, #10599931, …
maximal normal subgroup of#10599924, #10599925, #10599931, …
maximal quotient of#10597940, #10597941, #10597943, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 31);