Finite Group Databasebeta

C22⋊#19126978 #35232589

order21152
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊#19126978

Splittings

SylowC661 ⋊ C22⋊C8

Subgroups

subgroupG/H
center, FrattiniC22C2×#14581558
commutatorC2×C661C2×C8
Fitting, prime radicalC23×C661C4
socleC22×C661C2×C4
cosocleC2×Dic661C22
hypercenterC23#14581558
hypocenterC661C22⋊C8
LCSG ▷ C2×C661 ▷ C661
UCSC1 ◁ C22 ◁ C23

50 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 10576

Polycyclic presentation:

2^5,661|a^2=d,d^2=e,b^a=bc,f^a=f^555,f^d=f^660

Conjugacy classes & character table

1340 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21152, 202);