Finite Group Databasebeta
Cayley diagram

C2×C8×Dic5 #65387

order320
isoclinismisoclinic class of D5
automorphism?
homologyAbelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C22×C4

Aliases

direct productC2×C8×Dic5

Splittings

derived, SylowC5 ⋊ C2×C4×C8

Subgroups

subgroupG/H
center, hypercenterC22×C8D5
commutator, hypocenterC5C2×C4×C8
FrattiniC2×C4C22×D5
FittingC22×C5×C8C2
socle, prime radicalC23×C5C2×C4
cosocleC2×C4×C5C23
LCSG ▷ C5
UCSC1 ◁ C22×C8

162 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 19 points:

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

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598295, #10598301, #10598765, …
maximal normal subgroup of#10598295, #10598301, #10598765, …
maximal quotient ofC2×C8×#168, C2×#64674, C8×#681, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 725);