Finite Group Databasebeta
Cayley diagram

#65187

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

Aliases

No aliases for this group.

Splittings

FittingC5×#108 ⋊ C2
SylowC5 ⋊ #471

Subgroups

subgroupG/H
centerC2#4041
commutator, cosocleC2×C4×C5C23
FrattiniC2×C4C22×D5
FittingC5×#108C2
socleC2×C5#121
prime radical#4054C2
hypercenter#108D5
hypocenterC5#471
LCSG ▷ C2×C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C2×C4 ◁ #108

104 conjugacy classes of subgroups; only the 37 normal subgroups are shown.

normal subgroups only

This group has 104 conjugacy classes of subgroups — too many to draw. Only its 37 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 21 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#65187, #10610987, #10610992, …
maximal normal subgroup ofC2×#65187, #10610987, #10610992, …
maximal quotient of#10599329, #10599330, #10599337, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 525);