Finite Group Databasebeta

C7⋊#15692846 #37527341

order22988
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC7⋊#15692846

Splittings

Fitting, socle, derived, HallC7×C821 ⋊ C4
SylowC821 ⋊ Dic7
SylowC7 ⋊ #15692846

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC7×C821C4
prime radical, cosocleC7×D821C2
LCSG ▷ C7×C821
UCSC1

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 5747

Polycyclic presentation:

2^2,7,821|a^2=b,c^a=c^6,d^a=d^295,d^b=d^820

Conjugacy classes & character table

1445 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(22988, 7);