Finite Group Databasebeta
Cayley diagram

Q16×Dic5 #65472

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

Aliases

direct productQ16×Dic5

Splittings

SylowC5 ⋊ C4×Q16

Subgroups

subgroupG/H
centerC22D4×D5
commutatorC4×C5C22×C4
FrattiniC2×C4C22×D5
FittingC2×C5×Q16C2
socle, prime radicalC22×C5C2×D4
cosocleC2×C4×C5C23
hypercenterC2×Q16D5
hypocenterC5C4×Q16
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×Q16

110 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 25 points:

(2,3)(4,5)(6,7,8,9);(1,2,4,5,3)(10,12,14,20)(11,15,17,24)(13,22,23,19)(16,25,21,18);(10,11,14,17)(12,18,20,25)(13,21,23,16)(15,22,24,19)

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598807, #10598809, #10599999, …
maximal normal subgroup of#10598807, #10598809, #10599999, …
maximal quotient ofDic5×#103, #10601017, #10601029, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 810);