Finite Group Databasebeta
Cayley diagram

C22×C4×Dic5 #66116

order320
isoclinismisoclinic class of D5
automorphism?
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C25×C4

Aliases

direct productC22×C4×Dic5

Splittings

derived, SylowC5 ⋊ C22×C42

Subgroups

subgroupG/H
center, hypercenterC23×C4D5
commutator, hypocenterC5C22×C42
FrattiniC22C23×D5
FittingC23×C4×C5C2
socle, prime radicalC24×C5C22
cosocleC22×C5C24
LCSG ▷ C5
UCSC1 ◁ C23×C4

498 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 17
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 4 generators on 17 points:

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

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofDic5×#95, #10600194, #10600195, …
maximal normal subgroup ofDic5×#95, #10600194, #10600195, …
maximal quotient ofC22×C4×#168, C22×#3935, C2×C4×#681, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1454);