Finite Group Databasebeta
Cayley diagram

#65122

order320
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

FittingC5×C4⋊C8 ⋊ C2
SylowC5 ⋊ #431

Subgroups

subgroupG/H
center, FrattiniC2×C4C22×D5
commutatorC2×C5C22×C8
FittingC5×C4⋊C8C2
socleC22×C5C22×C4
prime radicalC22×D5C2×C4
cosocleC2×C4×C5C23
hypercenterC4⋊C8D5
hypocenterC5#431
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C4⋊C8

118 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 160

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598583, #10598588, #10598592, …
maximal normal subgroup of#10598583, #10598588, #10598592, …
maximal quotient of#10599389, #10599392, #10599400, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 460);