Finite Group Databasebeta
Cayley diagram

D7×#125 #90378

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

Aliases

direct productD7×#125

Splittings

FittingC7×#125 ⋊ C2
SylowC7 ⋊ C2×#125

Subgroups

subgroupG/H
center, FrattiniC22C23×D7
commutator, socle, cosocleC22×C7C24
FittingC7×#125C2
prime radicalC22×D7C23
hypercenter#125D7
hypocenterC7C2×#125
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C22 ◁ #125

226 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 23
transitive degreeμt(G) = 224

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

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

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×#330, #11726117, #11726121, …
maximal normal subgroup ofD7×#330, #11726117, #11726121, …
maximal quotient of#11731595, #11731608, #11731615, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 1140);