Finite Group Databasebeta

(ΓL(1,𝔽8)⋊C4)⋊Dic5 #13132017

order1680
automorphism?
homologyAbelianization (H1) = C2×C3×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product(ΓL(1,𝔽8)⋊C4)⋊Dic5
unambiguous semidirect product(Dic7⋊Dic5)⋊C3

Splittings

HallDic7⋊Dic5 ⋊ C3
HallC5×ΓL(1,𝔽8) ⋊ C4⋊C4
HallC5×C7 ⋊ C3×C4⋊C4
HallΓL(1,𝔽8) ⋊ C4⋊Dic5
SylowC7 ⋊ C3×C4⋊Dic5
SylowC5 ⋊ (ΓL(1,𝔽8)⋊C4)⋊C4

Subgroups

subgroupG/H
center, Frattini, hypercenterC22D5×AGL(1,𝔽7)
commutatorC2×C5×C7C2×C3×C4
Fitting, socle, cosocleC22×C5×C7C22×C3
prime radicalC22×C5×ΓL(1,𝔽8)C22
hypocenterC5×C7C3×C4⋊C4
LCSG ▷ C2×C5×C7 ▷ C5×C7
UCSC1 ◁ C22

104 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 560

Polycyclic presentation:

2^2,3,2^2,5,7|a^2=e,b^2=d,b^a=be,g^a=g^6,f^b=f^4,g^c=g^2

Conjugacy classes & character table

94 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1680, 37);