Finite Group Databasebeta

#23751532⋊C2 #34064483

order19306
automorphism?
homologyAbelianization (H1) = C2×C49 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product#23751532⋊C2

Splittings

derived, SylowC197 ⋊ C2×C49
Hall#23751532 ⋊ C2
HallD197 ⋊ C49

Subgroups

subgroupG/H
center, Frattini, hypercenterC7D197⋊C7
commutator, hypocenterC197C2×C49
Fitting, socle, cosocleC7×C197C2×C7
prime radicalC7×D197C7
LCSG ▷ C197
UCSC1 ◁ C7

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,7,197,7|b^7=d,c^a=c^196,c^b=c^104

Conjugacy classes & character table

196 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#50310999, C2×#23751532⋊C2
maximal normal subgroup of#50310999, C2×#23751532⋊C2
maximal quotient of#50310993, C2×#23751532⋊C2

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19306, 2);