Finite Group Databasebeta

C7⋊D1673 #37552824

order23422
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C7

Aliases

unambiguous semidirect productC7⋊D1673
unambiguous semidirect productC239⋊(C7⋊D7)

Splittings

Fitting, socle, derived, HallC72×C239 ⋊ C2
SylowC239 ⋊ C7⋊D7
SylowC72 ⋊ D239

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC72×C239C2
LCSG ▷ C72×C239
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 11711

Polycyclic presentation:

2,7^2,239|b^a=b^6,c^a=c^6,d^a=d^238

Conjugacy classes & character table

5857 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23422, 16);