Finite Group Databasebeta

D239⋊C49 #37552810

order23422
automorphism?
homologyAbelianization (H1) = C2×C49 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productD239⋊C49
unambiguous semidirect product(C239⋊C49)⋊C2

Splittings

derived, SylowC239 ⋊ C2×C49
HallC239⋊C49 ⋊ C2
HallD239 ⋊ C49

Subgroups

subgroupG/H
center, Frattini, hypercenterC7D239⋊C7
commutator, hypocenterC239C2×C49
Fitting, socle, cosocleC7×C239C2×C7
prime radicalC7×D239C7
LCSG ▷ C239
UCSC1 ◁ C7

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 11711

Polycyclic presentation:

2,7,239,7|b^7=d,c^a=c^238,c^b=c^24

Conjugacy classes & character table

217 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23422, 2);