Finite Group Databasebeta
Cayley diagram

C2×#3999 #65744

order320
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

direct productC2×#3999

Splittings

FittingC22×C4×C5 ⋊ C4
SylowC5 ⋊ C2×#99

Subgroups

subgroupG/H
centerC22C22⋊AGL(1,𝔽5)
commutatorC22×C5C22×C4
FrattiniC22C22×AGL(1,𝔽5)
FittingC22×C4×C5C4
socleC22×C5C22⋊C4
prime radicalC22×D20C2
cosocleC22×D5C23
hypercenterC22×C4AGL(1,𝔽5)
hypocenterC5C2×#99
LCSG ▷ C22×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C23 ◁ C22×C4

210 conjugacy classes of subgroups; only the 52 normal subgroups are shown.

normal subgroups only

This group has 210 conjugacy classes of subgroups — too many to draw. Only its 52 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:

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

Conjugacy classes & character table

38 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598693, #10598723, C2×#64853, …
maximal normal subgroup of#10598693, #10598723, C2×#64853, …
maximal quotient ofC2×#64853, C2×#64854, #10604142, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1082);