Finite Group Databasebeta

C7⋊(Dic197⋊C7) #50311012

order38612
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC7⋊(Dic197⋊C7)
unambiguous semidirect productDic1379⋊C7

Splittings

derivedC7×C197 ⋊ C4×C7
HallC7×C197⋊C7 ⋊ C4
SylowC197 ⋊ C7×Dic7

Subgroups

subgroupG/H
center, Frattini, hypercenterC2C7⋊(D197⋊C7)
commutator, hypocenterC7×C197C4×C7
Fitting, socle, cosocleC2×C7×C197C2×C7
prime radicalC2×C7×C197⋊C7C2
LCSG ▷ C7×C197
UCSC1 ◁ C2

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,7^2,197,2|a^2=e,c^a=c^6,d^a=d^196,d^b=d^104

Conjugacy classes & character table

266 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(38612, 21);