Finite Group Databasebeta

C7×D7×C139 #28331336

order13622
isoclinismisoclinic class of D7
automorphism?
homologyAbelianization (H1) = C2×C7×C139 · Schur multiplier (H2) = C1

Aliases

direct productC7×D7×C139
unambiguous semidirect productC7⋊(C2×C7×C139)

Splittings

Fitting, socle, HallC72×C139 ⋊ C2
derivedC7 ⋊ C2×C7×C139
SylowC72 ⋊ C2×C139

Subgroups

subgroupG/H
center, hypercenterC7×C139D7
commutator, cosocle, hypocenterC7C2×C7×C139
FrattiniC1G
Fitting, socleC72×C139C2
LCSG ▷ C7
UCSC1 ◁ C7×C139

22 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1946

Conjugacy classes & character table

4865 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC7×D7×D139, D72×C139, D7×D973, …
maximal normal subgroup ofC7×D7×D139, D72×C139, D7×D973, …
maximal quotient ofC7×Dic7×C139, C2×C7×D7×C139

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(13622, 9);