Finite Group Databasebeta

C7⋊D721 #23758697

order10094
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C7

Aliases

unambiguous semidirect productC7⋊D721
unambiguous semidirect productC103⋊(C7⋊D7)

Splittings

Fitting, socle, derived, HallC72×C103 ⋊ C2
SylowC103 ⋊ C7⋊D7
SylowC72 ⋊ D103

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC72×C103C2
LCSG ▷ C72×C103
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,7^2,103|b^a=b^6,c^a=c^6,d^a=d^102

Conjugacy classes & character table

2525 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD7×D721, C7⋊D7×D103, C2×C7⋊D721, …
maximal normal subgroup ofD7×D721, C7⋊D7×D103, C2×C7⋊D721, …
maximal quotient ofC7⋊Dic721, C2×C7⋊D721, C3×C7⋊D721, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(10094, 6);