Finite Group Databasebeta
Cayley diagram

Q8×D15 #6820

order240
automorphismAut(G) = C2×D3×AGL(1,𝔽5)×S4 (order 5760) · Inn(G) = C22×D15 · Out(G) = C2×C4×D3
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

direct productQ8×D15

Splittings

FittingC3×C5×Q8 ⋊ C2
HallC3×C5 ⋊ C2×Q8
SylowC5 ⋊ D3×Q8
SylowC3 ⋊ Q8×D5

Subgroups

subgroupG/H
center, FrattiniC2C22×D15
commutator, socle, cosocleC2×C3×C5C23
FittingC3×C5×Q8C2
prime radicalC2×D15C22
hypercenterQ8D15
hypocenterC3×C5C2×Q8
LCSG ▷ C2×C3×C5 ▷ C3×C5
UCSC1 ◁ C2 ◁ Q8

76 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 120

A minimal faithful permutation representation — 3 generators on 16 points:

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

Conjugacy classes & character table

45 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#91505, #91511, #91522, …
maximal normal subgroup of#91505, #91511, #91522, …
maximal quotient of#91776, #91777, #91778, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(240, 181);