Finite Group Databasebeta
Cayley diagram

C2×#4007 #65766

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

Aliases

direct productC2×#4007
unambiguous semidirect productD5⋊#102

Splittings

FittingC2×C5×D4 ⋊ C4
SylowC5 ⋊ C2×#102

Subgroups

subgroupG/H
centerC22C22⋊AGL(1,𝔽5)
commutatorC4×C5C22×C4
FrattiniC4C22×AGL(1,𝔽5)
FittingC2×C5×D4C4
socleC22×C5C22⋊C4
prime radicalC2×D4×D5C2
cosocleC4×D5C23
hypercenterC2×D4AGL(1,𝔽5)
hypocenterC5C2×#102
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×D4

202 conjugacy classes of subgroups; only the 60 normal subgroups are shown.

normal subgroups only

This group has 202 conjugacy classes of subgroups — too many to draw. Only its 60 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)(10,15)(11,13)(12,14);(4,5,6,7)(9,12)(10,14)(13,15);(1,2)

Conjugacy classes & character table

38 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10603927, AGL(1,𝔽5)×#102, #10603952, …
maximal normal subgroup of#10603927, AGL(1,𝔽5)×#102, #10603952, …
maximal quotient ofC2×#64868, #10604262, C2×#64871, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1104);