Finite Group Databasebeta
Cayley diagram

#64927

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

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #329

Subgroups

subgroupG/H
centerC22C22⋊AGL(1,𝔽5)
commutatorC2×C4×C5C2×C4
FrattiniC2×C4C2×AGL(1,𝔽5)
FittingC2×C5×Q8C4
socleC22×C5C22⋊C4
prime radicalC2×D20C4
cosocleC4×Dic5C22
hypercenterC2×Q8AGL(1,𝔽5)
hypocenterC5#329
LCSG ▷ C2×C4×C5 ▷ C22×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×Q8

70 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 160

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

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

Polycyclic presentation:

2^6,5|a^2=c,b^2=f,c^2=ef,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 of#10598575, #10598835, #10604431, …
maximal normal subgroup of#10598575, #10598835, #10604431, …
maximal quotient of#10598712, #10598722, #10598734, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 265);