Finite Group Databasebeta
Cayley diagram

C2×#6450 #90187

order448
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

direct productC2×#6450

Splittings

SylowC7 ⋊ C2×C4×Q8

Subgroups

subgroupG/H
centerC23C22×D7
commutatorC2×C7C23×C4
FrattiniC22C23×D7
FittingC2×C7×C4⋊C4C2
socle, prime radicalC23×C7C23
cosocleC22×C7C24
hypercenterC2×C4⋊C4D7
hypocenterC7C2×C4×Q8
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C23 ◁ C2×C4⋊C4

298 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 448

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

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

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11725879, #11725881, #11726535, …
maximal normal subgroup of#11725879, #11725881, #11726535, …
maximal quotient ofC2×#89421, C2×#89424, C2×#89425, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 949);