Finite Group Databasebeta
Cayley diagram

C2×#4133 #66259

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

Aliases

direct productC2×#4133

Splittings

SylowC5 ⋊ C2×#131

Subgroups

subgroupG/H
centerC22C22×AGL(1,𝔽5)
commutatorC2×C5C23×C4
FrattiniC2C23×AGL(1,𝔽5)
FittingC2×C5×Q8C4
socleC22×C5C22×C4
prime radicalC2×#713C2
cosocleDic5C24
hypercenterC2×Q8AGL(1,𝔽5)
hypocenterC5C2×#131
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C2×Q8

266 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 23
transitive degreeμt(G) = 160

A minimal faithful permutation representation — 4 generators on 23 points:

(1,2)(3,4,5,7,6)(8,11,13,20)(9,15,17,23)(10,18,12,19)(14,21,16,22);(8,10,13,12)(9,14,17,16)(11,19,20,18)(15,22,23,21);(4,5,6,7)(8,9,12,16,13,17,10,14)(11,15,19,22,20,23,18,21);(1,2)

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10603932, #10603991, #10603992, …
maximal normal subgroup of#10603932, #10603991, #10603992, …
maximal quotient ofC2×#65701, C2×#65708, C2×#65706, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1597);