Finite Group Databasebeta
Cayley diagram

D5⋊#100 #65778

order320
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD5⋊#100

Splittings

SylowC5 ⋊ C2×#100

Subgroups

subgroupG/H
centerC2C2×C22⋊AGL(1,𝔽5)
commutatorC22×C5C22×C4
FrattiniC22C22×AGL(1,𝔽5)
FittingC2×C5×D4C4
socleC2×C5C2×C22⋊C4
prime radicalC2×D4×D5C2
cosocleC2×Dic5C23
hypercenterC2×D4AGL(1,𝔽5)
hypocenterC5C2×#100
LCSG ▷ C22×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×D4

186 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 13 points:

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

Polycyclic presentation:

2^6,5|a^2=d,b^2=f,d^2=f,c^a=ce,e^a=ef,g^a=g^2,c^b=cf,d^c=df,g^d=g^4

Conjugacy classes & character table

32 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598567, AGL(1,𝔽5)×#100, D5⋊AΣL(1,𝔽16), …
maximal normal subgroup of#10598567, AGL(1,𝔽5)×#100, D5⋊AΣL(1,𝔽16), …
maximal quotient ofD5⋊#323, #10604202, #10604207, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1116);