Finite Group Databasebeta
Cayley diagram

#64850

order320
isoclinismisoclinic class of #64849
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

FittingC5×C16 ⋊ C4
SylowC5 ⋊ #367

Subgroups

subgroupG/H
centerC2#3994
commutatorC5×C8C2×C4
FrattiniC8C2×AGL(1,𝔽5)
FittingC5×C16C4
socleC2×C5#107
prime radicalC2×D5D8
cosocleC8×D5C22
hypercenterC16AGL(1,𝔽5)
hypocenterC5#367
LCSG ▷ C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ C16

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

Polycyclic presentation:

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

Conjugacy classes & character table

38 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598491, #10598492, #10598679, …
maximal normal subgroup of#10598491, #10598492, #10598679, …
maximal quotient of#10598491, #10598492, #10598646, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 188);