Finite Group Databasebeta
Cayley diagram

C22×Dic10 #4138

order160
isoclinismisoclinic class of Dic10
automorphismAut(G) order 61440
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC22×Dic10

Splittings

SylowC5 ⋊ C22×Q8

Subgroups

subgroupG/H
centerC23C2×D5
commutator, cosocleC2×C5C24
FrattiniC2C23×D5
FittingC22×C4×C5C2
socle, prime radicalC23×C5C22
hypercenterC22×C4D5
hypocenterC5C22×Q8
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C23 ◁ C22×C4

156 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#64935, #64945, #64962, …
maximal normal subgroup of#64935, #64945, #64962, …
maximal quotient ofC2×C4×Dic10, C2×#4015, C2×#4016, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(160, 213);