Finite Group Databasebeta

C7⋊D973 #28331333

order13622
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C7

Aliases

unambiguous semidirect productC7⋊D973
unambiguous semidirect productC139⋊(C7⋊D7)

Splittings

Fitting, socle, derived, HallC72×C139 ⋊ C2
SylowC139 ⋊ C7⋊D7
SylowC72 ⋊ D139

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC72×C139C2
LCSG ▷ C72×C139
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6811

Polycyclic presentation:

2,7^2,139|b^a=b^6,c^a=c^6,d^a=d^138

Conjugacy classes & character table

3407 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD7×D973, C7⋊D7×D139, C2×C7⋊D973
maximal normal subgroup ofD7×D973, C7⋊D7×D139, C2×C7⋊D973
maximal quotient ofC7⋊Dic973, C2×C7⋊D973

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(13622, 6);