Finite Group Databasebeta
Cayley diagram

C2×#4088 #66142

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

Aliases

direct productC2×#4088

Splittings

FittingC22×C5×Q8 ⋊ C2
SylowC5 ⋊ C2×#137

Subgroups

subgroupG/H
centerC22C2×C22⋊D5
commutator, cosocleC4×C5C24
FrattiniC4C23×D5
FittingC22×C5×Q8C2
socleC22×C5C2×D4
prime radicalC2×#709C2
hypercenterC22×Q8D5
hypocenterC5C2×#137
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×Q8

258 conjugacy classes of subgroups; only the 111 normal subgroups are shown.

normal subgroups only

This group has 258 conjugacy classes of subgroups — too many to draw. Only its 111 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) = 23
transitive degreeμt(G) = 160

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

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

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10600486, #10600487, #10600903, …
maximal normal subgroup of#10600486, #10600487, #10600903, …
maximal quotient ofC2×#65253, C2×#65255, C2×#65256, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(320, 1480);