Finite Group Databasebeta
Cayley diagram

C8×#168 #64673

order320
isoclinismisoclinic class of D5
automorphism?
homologyAbelianization (H1) = C82 · Schur multiplier (H2) = C8

Aliases

direct productC8×#168

Splittings

derived, SylowC5 ⋊ C82

Subgroups

subgroupG/H
center, hypercenterC4×C8D5
commutator, hypocenterC5C82
FrattiniC42C2×D5
FittingC4×C5×C8C2
socle, prime radicalC22×C5C42
cosocleC42×C5C22
LCSG ▷ C5
UCSC1 ◁ C4×C8

74 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 2 generators on 21 points:

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

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC16×#168, #10597989, #10597990, …
maximal normal subgroup ofC16×#168, #10597989, #10597990, …
maximal quotient ofC8×#672, #10597928, C16×#168, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 11);