Finite Group Databasebeta
Cayley diagram

D8×Dic5 #65438

order320
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productD8×Dic5

Splittings

SylowC5 ⋊ C4×D8

Subgroups

subgroupG/H
centerC22D4×D5
commutatorC4×C5C22×C4
FrattiniC2×C4C22×D5
Fitting, prime radicalC2×C5×D8C2
socleC22×C5C2×D4
cosocleC2×C4×C5C23
hypercenterC2×D8D5
hypocenterC5C4×D8
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×D8

134 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 17
transitive degreeμt(G) = 160

A minimal faithful permutation representation — 3 generators on 17 points:

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

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598799, #10598801, #10599967, …
maximal normal subgroup of#10598799, #10598801, #10599967, …
maximal quotient ofDic5×#102, #10600948, #10600961, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 776);