Finite Group Databasebeta
Cayley diagram

C8×#170 #64878

order320
isoclinismisoclinic class of AGL(1,𝔽5)
automorphism?
homologyAbelianization (H1) = C82 · Schur multiplier (H2) = C8

Aliases

direct productC8×#170

Splittings

derived, SylowC5 ⋊ C82

Subgroups

subgroupG/H
center, hypercenterC2×C8AGL(1,𝔽5)
commutator, hypocenterC5C82
FrattiniC2×C4C2×AGL(1,𝔽5)
FittingC2×C5×C8C4
socle, prime radicalC22×C5C42
cosocleC4×Dic5C22
LCSG ▷ C5
UCSC1 ◁ C2×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);(1,2,3,5,4)(6,7,8,10,9,11,12,13)

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598623, C16×#170, #10598636, …
maximal normal subgroup of#10598623, C16×#170, #10598636, …
maximal quotient ofC8×#674, #10598512, C16×#170, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 216);