Finite Group Databasebeta
Cayley diagram

C2×#4042 #65842

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

Aliases

direct productC2×#4042

Splittings

FittingC2×C5×C4⋊C4 ⋊ C2
SylowC5 ⋊ C2×C22⋊Q8

Subgroups

subgroupG/H
centerC23C22×D5
commutator, cosocleC22×C5C24
FrattiniC22C23×D5
FittingC2×C5×C4⋊C4C2
socleC23×C5C23
prime radicalC23×D5C22
hypercenterC2×C4⋊C4D5
hypocenterC5C2×C22⋊Q8
LCSG ▷ C22×C5 ▷ C5
UCSC1 ◁ C23 ◁ C2×C4⋊C4

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

normal subgroups only

This group has 322 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)(16,19);(1,2)(4,6)(12,14,15,18)(13,16,17,19);(4,6)(8,9)(10,11)(12,13)(14,16)(15,17)(18,19);(1,2)

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598940, #10604311, #10604338, …
maximal normal subgroup of#10598940, #10604311, #10604338, …
maximal quotient ofC2×#64941, C2×#64935, C2×#64946, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1180);