Finite Group Databasebeta

C7⋊D1939 #41029686

order27146
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C7

Aliases

unambiguous semidirect productC7⋊D1939
unambiguous semidirect productC277⋊(C7⋊D7)

Splittings

Fitting, socle, derived, HallC72×C277 ⋊ C2
SylowC277 ⋊ C7⋊D7
SylowC72 ⋊ D277

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC72×C277C2
LCSG ▷ C72×C277
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 13573

Polycyclic presentation:

2,7^2,277|b^a=b^6,c^a=c^6,d^a=d^276

Conjugacy classes & character table

6788 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(27146, 10);