Finite Group Databasebeta
Cayley diagram

C2×#4032 #65826

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

Aliases

direct productC2×#4032

Splittings

FittingC2×C5×C22⋊C4 ⋊ C2
SylowC5 ⋊ C2×#123

Subgroups

subgroupG/H
centerC23C22×D5
commutator, cosocleC22×C5C24
FrattiniC22C23×D5
FittingC2×C5×C22⋊C4C2
socleC23×C5C23
prime radicalC22×C22⋊D5C2
hypercenterC2×C22⋊C4D5
hypocenterC5C2×#123
LCSG ▷ C22×C5 ▷ C5
UCSC1 ◁ C23 ◁ C2×C22⋊C4

342 conjugacy classes of subgroups; only the 127 normal subgroups are shown.

normal subgroups only

This group has 342 conjugacy classes of subgroups — too many to draw. Only its 127 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) = 19
transitive degreeμt(G) = 160

A minimal faithful permutation representation — 4 generators on 19 points:

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

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10599747, #10599756, #10599759, …
maximal normal subgroup of#10599747, #10599756, #10599759, …
maximal quotient ofC2×#64942, C2×#64959, C2×#64963, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1164);