Finite Group Databasebeta

C79⋊#66775 #41001706

order26860
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC79⋊#66775

Splittings

Fitting, socle, derived, HallC5×C17×C79 ⋊ C4
HallC17×C79 ⋊ AGL(1,𝔽5)
HallC5×C79 ⋊ #595
HallC5×C17 ⋊ Dic79
SylowC79 ⋊ #66775
SylowC17 ⋊ C79⋊AGL(1,𝔽5)
SylowC5 ⋊ C79⋊#595

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC5×C17×C79C4
prime radical, cosocleC79×D85C2
LCSG ▷ C5×C17×C79
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6715

Polycyclic presentation:

2^2,5,17,79|a^2=b,c^a=c^2,d^a=d^13,e^a=e^78,c^b=c^4,d^b=d^16

Conjugacy classes & character table

1741 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(26860, 16);