Finite Group Databasebeta
Cayley diagram

C2×#4033 #65830

order320
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

direct productC2×#4033

Splittings

SylowC5 ⋊ C2×C4×Q8

Subgroups

subgroupG/H
centerC23C22×D5
commutatorC2×C5C23×C4
FrattiniC22C23×D5
FittingC2×C5×C4⋊C4C2
socle, prime radicalC23×C5C23
cosocleC22×C5C24
hypercenterC2×C4⋊C4D5
hypocenterC5C2×C4×Q8
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C23 ◁ C2×C4⋊C4

298 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)(3,5,6,4)(7,8,10,11,9)(14,18)(16,19);(12,14,15,18)(13,16,17,19);(3,4,6,5)(8,9)(10,11)(12,13,15,17)(14,16,18,19);(1,2)

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10598918, #10598920, #10599574, …
maximal normal subgroup of#10598918, #10598920, #10599574, …
maximal quotient ofC2×#64938, C2×#64941, C2×#64942, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1168);