Finite Group Databasebeta
Cayley diagram

C2×#4130 #66254

order320
isoclinismisoclinic class of #700
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#4130
unambiguous semidirect productD5⋊#117

Splittings

FittingC22×C4×C5 ⋊ C4
SylowC5 ⋊ C2×#117

Subgroups

subgroupG/H
centerC2×C4C2×AGL(1,𝔽5)
commutatorC2×C5C23×C4
FrattiniC2C23×AGL(1,𝔽5)
FittingC22×C4×C5C4
socleC22×C5C22×C4
prime radicalC23×D5C22
cosocleC2×D5C24
hypercenterC22×C4AGL(1,𝔽5)
hypocenterC5C2×#117
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C22×C4

330 conjugacy classes of subgroups; only the 148 normal subgroups are shown.

normal subgroups only

This group has 330 conjugacy classes of subgroups — too many to draw. Only its 148 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:

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

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10603909, #10603912, C2×#64863, …
maximal normal subgroup of#10603909, #10603912, C2×#64863, …
maximal quotient ofC2×#65678, C2×#65680, D5⋊#431, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1592);