Finite Group Databasebeta

#14514971

order1920
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, socle, cosocleC23C22×A5
commutatorC2×SL(2,𝔽5)C2×C4
Fitting, hypercenter#95A5
prime radicalC22×SL(2,𝔽5)C22
hypocenterSL(2,𝔽5)C4⋊C4
LCSG ▷ C2×SL(2,𝔽5) ▷ SL(2,𝔽5)
UCSC1 ◁ C23 ◁ #95

346 conjugacy classes of subgroups; only the 37 normal subgroups are shown.

normal subgroups only

This group has 346 conjugacy classes of subgroups — too many to draw. Only its 37 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 384

Permutation generators:

(1,2)(3,4,5,6)(7,15,14,8,16,13)(9,19,11,10,20,12)(17,30,23,18,29,24)(21,27,25,22,28,26)(31,32)(33,36,35,34)(37,46,44)(38,45,43)(39,50,41)(40,49,42)(47,59,53)(48,60,54)(51,58,55)(52,57,56);(1,31,2,32)(3,33)(4,34)(5,35)(6,36)(7,46,8,45)(9,50,10,49)(11,55,12,56)(13,54,14,53)(15,37,16,38)(17,52,18,51)(19,39,20,40)(21,47,22,48)(23,43,24,44)(25,42,26,41)(27,59,28,60)(29,58,30,57)

Conjugacy classes & character table

90 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 240669);