Finite Group Databasebeta

#27166316⋊C2 #38788643

order25788
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product#27166316⋊C2
unambiguous semidirect product#27166320⋊C2
unambiguous semidirect product#27166324⋊C2

Splittings

Fitting, socle, derived, HallC7×C307 ⋊ C22×C3
HallD7×D307 ⋊ C3
Hall#20264517 ⋊ C22
SylowC307 ⋊ C2×AGL(1,𝔽7)
SylowC7 ⋊ C2×D307⋊C3

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C307C22×C3
LCSG ▷ C7×C307
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2149

Polycyclic presentation:

2^2,3,7,307|e^a=e^306,d^b=d^6,d^c=d^2,e^c=e^289

Conjugacy classes & character table

269 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25788, 27);