Finite Group Databasebeta
Cayley diagram

C2×#3957 #65427

order320
isoclinismisoclinic class of #686
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productC2×#3957

Splittings

FittingC2×C5×M16 ⋊ C2
SylowC5 ⋊ C2×#104

Subgroups

subgroupG/H
centerC2×C4C22⋊D5
commutatorC4×C5C22×C4
FrattiniC2×C4C22×D5
FittingC2×C5×M16C2
socleC22×C5C22⋊C4
prime radicalC2×#709C2
cosocleC2×C4×C5C23
hypercenterC2×M16D5
hypocenterC5C2×#104
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C2×M16

170 conjugacy classes of subgroups; only the 63 normal subgroups are shown.

normal subgroups only

This group has 170 conjugacy classes of subgroups — too many to draw. Only its 63 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 — 3 generators on 15 points:

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

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10599507, #10599512, #10599521, …
maximal normal subgroup of#10599507, #10599512, #10599521, …
maximal quotient ofC2×#64684, #10600590, C2×#64685, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 765);