Finite Group Databasebeta
Cayley diagram

C2×#4078 #66127

order320
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#4078

Splittings

FittingC22×C5×D4 ⋊ C2
SylowC5 ⋊ C2×AGL(1,ℤ/8)

Subgroups

subgroupG/H
centerC22C2×C22⋊D5
commutator, cosocleC4×C5C24
FrattiniC4C23×D5
FittingC22×C5×D4C2
socleC22×C5C2×D4
hypercenterC22×D4D5
hypocenterC5C2×AGL(1,ℤ/8)
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×D4

298 conjugacy classes of subgroups; only the 111 normal subgroups are shown.

normal subgroups only

This group has 298 conjugacy classes of subgroups — too many to draw. Only its 111 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) = 15
transitive degreeμt(G) = 80

A minimal faithful permutation representation — 4 generators on 15 points:

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

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10600456, #10600457, #10600869, …
maximal normal subgroup of#10600456, #10600457, #10600869, …
maximal quotient ofC2×#65253, C2×#65255, C2×#65257, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1465);