Finite Group Databasebeta
Cayley diagram

D5×#101 #65039

order320
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productD5×#101

Splittings

FittingC5×#101 ⋊ C2
SylowC5 ⋊ C2×#101

Subgroups

subgroupG/H
centerC2D5×C22⋊C4
commutatorC22×C5C22×C4
FrattiniC2×C4C22×D5
FittingC5×#101C2
socleC2×C5C2×C22⋊C4
prime radicalC22×D5C2×C4
cosocleC2×C4×C5C23
hypercenter#101D5
hypocenterC5C2×#101
LCSG ▷ C22×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C2×C4 ◁ #101

146 conjugacy classes of subgroups.

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

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598577, D5×#355, #10599957, …
maximal normal subgroup of#10598577, D5×#355, #10599957, …
maximal quotient of#10598918, #10598920, #10598921, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 377);