Finite Group Databasebeta
Cayley diagram

#4009

order160
automorphismAut(G) = C2×D4×AGL(1,𝔽5) (order 320) · Inn(G) = C22⋊AGL(1,𝔽5) · Out(G) = C22
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

FittingC5×Q8 ⋊ C4
SylowC5 ⋊ #103

Subgroups

subgroupG/H
centerC2C22⋊AGL(1,𝔽5)
commutatorC4×C5C2×C4
FrattiniC4C2×AGL(1,𝔽5)
FittingC5×Q8C4
socleC2×C5C22⋊C4
prime radicalC2×D5D4
cosocleC4×D5C22
hypercenterQ8AGL(1,𝔽5)
hypocenterC5#103
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C4 ◁ Q8

42 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 13
transitive degreeμt(G) = 40

A minimal faithful permutation representation — 2 generators on 13 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

19 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofSD16×AGL(1,𝔽5), #65735, Q16×AGL(1,𝔽5), …
maximal normal subgroup ofSD16×AGL(1,𝔽5), #65735, Q16×AGL(1,𝔽5), …
maximal quotient of#64869, #64872, #64873, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(160, 84);