Finite Group Databasebeta
Cayley diagram

#64873

order320
isoclinismisoclinic class of #64868
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #332

Subgroups

subgroupG/H
centerC22C22⋊AGL(1,𝔽5)
commutatorC2×C4×C5C2×C4
FrattiniC2×C4C2×AGL(1,𝔽5)
FittingC5×C4⋊C4C4
socle, prime radicalC22×C5C22⋊C4
cosocleC4×Dic5C22
hypercenterC4⋊C4AGL(1,𝔽5)
hypocenterC5#332
LCSG ▷ C2×C4×C5 ▷ C22×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×C4 ◁ C4⋊C4

64 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 2 generators on 21 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

29 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#64873, #10604277, #10604278, …
maximal normal subgroup ofC2×#64873, #10604277, #10604278, …
maximal quotient of#10598615, #10598616, #10598617, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 211);