Finite Group Databasebeta
Cayley diagram

C2×#6499 #90488

order448
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#6499

Splittings

SylowC7 ⋊ C2×#124

Subgroups

subgroupG/H
centerC23C22×D7
commutator, cosocleC22×C7C24
FrattiniC22C23×D7
Fitting, prime radicalC22×C7×D4C2
socleC23×C7C23
hypercenterC22×D4D7
hypocenterC7C2×#124
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C23 ◁ C22×D4

330 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 4 generators on 21 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#89268, #11727819, #11727823, …
maximal normal subgroup ofC2×#89268, #11727819, #11727823, …
maximal quotient ofC2×#89717, C2×#89719, C2×#89725, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 1250);