Finite Group Databasebeta
Cayley diagram

#4047

order160
isoclinismisoclinic class of Dic10
automorphismAut(G) = C22×D4×AGL(1,𝔽5) (order 640) · Inn(G) = C2×D5 · Out(G) = C23×C4
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingC2×C5×C8 ⋊ C2
SylowC5 ⋊ #131

Subgroups

subgroupG/H
centerC8C2×D5
commutator, socleC2×C5C22×C4
FrattiniC4C22×D5
FittingC2×C5×C8C2
prime radical#709C2
cosocleC4×C5C23
hypercenterC2×C8D5
hypocenterC5#131
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C8 ◁ C2×C8

62 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 80

A minimal faithful permutation representation — 3 generators on 21 points:

(1,2,4,5,3)(6,8,9,14,10,15,16,20)(7,12,13,19,11,17,18,21);(7,11)(12,17)(13,18)(19,21);(2,3)(4,5)(6,7)(8,12)(9,13)(10,11)(14,19)(15,17)(16,18)(20,21)

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#64728, #64735, #64989, …
maximal normal subgroup of#64728, #64735, #64989, …
maximal quotient ofC8×Dic10, #64968, C8×D20, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(160, 122);