Finite Group Databasebeta

C7×D7×C79 #21440971

order7742
isoclinismisoclinic class of D7
automorphism?
homologyAbelianization (H1) = C2×C7×C79 · Schur multiplier (H2) = C1

Aliases

direct productC7×D7×C79
unambiguous semidirect productC7⋊(C2×C7×C79)

Splittings

Fitting, socle, HallC72×C79 ⋊ C2
derivedC7 ⋊ C2×C7×C79
SylowC72 ⋊ C2×C79

Subgroups

subgroupG/H
center, hypercenterC7×C79D7
commutator, hypocenterC7C2×C7×C79
FrattiniC1G
Fitting, socleC72×C79C2
LCSG ▷ C7
UCSC1 ◁ C7×C79

22 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

2765 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC7×D7×D79, D72×C79, D7×D553, …
maximal normal subgroup ofC7×D7×D79, D72×C79, D7×D553, …
maximal quotient ofC7×Dic7×C79, C2×C7×D7×C79, C3×C7×D7×C79, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7742, 7);