Finite Group Databasebeta
Cayley diagram

C2×#4090 #66144

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

Aliases

direct productC2×#4090

Splittings

SylowC5 ⋊ C2×C4⋊Q8

Subgroups

subgroupG/H
centerC23C22×D5
commutator, cosocleC22×C5C24
FrattiniC22C23×D5
FittingC22×C5×Q8C2
socle, prime radicalC23×C5C23
hypercenterC22×Q8D5
hypocenterC5C2×C4⋊Q8
LCSG ▷ C22×C5 ▷ C5
UCSC1 ◁ C23 ◁ C22×Q8

290 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 4 generators on 19 points:

(1,2)(4,6)(7,8,10,11,9)(12,14,15,19)(13,16,17,18);(12,13,15,17)(14,18,19,16);(3,4,5,6)(8,9)(10,11);(1,2)

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10600891, #10600896, #10600912, …
maximal normal subgroup of#10600891, #10600896, #10600912, …
maximal quotient ofC2×#65265, C2×#65261, C2×#65263, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1482);