Finite Group Databasebeta
Cayley diagram

#64890

order320
isoclinismisoclinic class of #64845
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C1

Aliases

No aliases for this group.

Splittings

SylowC5 ⋊ #347

Subgroups

subgroupG/H
centerC4C4×AGL(1,𝔽5)
commutatorC4×C5C42
FrattiniC2×C4C2×AGL(1,𝔽5)
FittingC2×C5×C8C4
socleC2×C5#97
prime radicalC22×C5M16
cosocleC2×#168C22
hypercenterC2×C8AGL(1,𝔽5)
hypocenterC5#347
LCSG ▷ C4×C5 ▷ C5
UCSC1 ◁ C4 ◁ C2×C8

46 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

38 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10603832, #10603834, #10603872, …
maximal normal subgroup of#10603832, #10603834, #10603872, …
maximal quotient of#10598515, #10598778, C2×#64890, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 228);