Finite Group Databasebeta
Cayley diagram

#3946

order160
isoclinismisoclinic class of Dic10
automorphismAut(G) = C25×AGL(1,𝔽5) (order 640) · Inn(G) = C2×D5 · Out(G) = C23×C4
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ C4⋊C8

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×D5
commutatorC2×C5C2×C8
FittingC2×C5×C8C2
socle, prime radicalC22×C5C2×C4
cosocleC2×C4×C5C22
hypercenterC2×C8D5
hypocenterC5C4⋊C8
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C2×C8

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 2 generators on 17 points:

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

Polycyclic presentation:

2^5,5|a^2=d,b^2=c,c^2=e,b^a=bd,f^a=f^4

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC8×Dic10, #64968, #64974, …
maximal normal subgroup ofC8×Dic10, #64968, #64974, …
maximal quotient of#64699, #64700, #64721, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(160, 21);